Base vs. Bottom: What's the Difference?

The lowest or bottom part

The deepest or lowest part

The part of a plant or animal organ that is nearest to its point of attachment.

The part closest to a reference point

The point of attachment of such an organ.

The underside

A supporting part or layer; a foundation

The supporting part; the base.

A basic or underlying element; infrastructure

The far end or part

The fundamental principle or underlying concept of a system or theory; a basis.

The last place, as on a list.

A fundamental ingredient; a chief constituent

The lowest or least favorable position

The fact, observation, or premise from which a reasoning process is begun.

The basic underlying quality; the source

(Games) A starting point, safety area, or goal.

The solid surface under a body of water.

(Baseball) Any one of the four corners of an infield, marked by a bag or plate, that must be touched by a runner before a run can be scored.

Often bottoms Low-lying alluvial land adjacent to a river. Also called bottomland.

A center of organization, supply, or activity; a headquarters.

(Nautical) The part of a ship's hull below the water line.

The portion of a social organization, especially a political party, consisting of the most dedicated or motivated members.

A ship; a boat

A fortified center of operations.

Often bottoms The trousers or short pants of pajamas.

A supply center for a large force of military personnel.

(Informal) The buttocks.

A facial cosmetic used to even out the complexion or provide a surface for other makeup; a foundation.

The seat of a chair.

(Architecture) The lowest part of a structure, such as a wall, considered as a separate unit

(Baseball) The second or last half of an inning.

(Heraldry) The lower part of a shield.

Staying power; stamina. Used of a horse.

(Linguistics) A morpheme or morphemes regarded as a form to which affixes or other bases may be added.

(Slang) One who is penetrated by another person or is the submissive partner in a sexual encounter or relationship.

The side or face of a geometric figure to which an altitude is or is thought to be drawn.

Situated at the bottom

The number that is raised to various powers to generate the principal counting units of a number system. The base of the decimal system, for example, is 10.

Of the lowest degree, quality, rank, or amount

The number raised to the logarithm of a designated number in order to produce that designated number; the number at which a chosen logarithmic scale has the value 1.

To provide with an underside.

A line used as a reference for measurement or computations.

To provide with a foundation; base

Any of a class of compounds whose aqueous solutions are characterized by a bitter taste, a slippery feel, the ability to turn litmus blue, and the ability to react with acids to form salts.

To have or strike the underside against something

A substance that yields hydroxide ions when dissolved in water.

The lowest part of anything.

A substance that can act as a proton acceptor.

A garment worn to cover the body below the torso.

A substance that can donate a pair of electrons to form a covalent bond.

Spirits poured into a glass before adding soda water.

The region in a transistor between the emitter and the collector.

The far end of somewhere.

The electrode attached to this region.

Character, reliability, staying power, dignity, integrity or sound judgment.

One of the nitrogen-containing purines (adenine and guanine) or pyrimidines (cytosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA.

Power of endurance.

A bass singer or voice.

The base; the fundamental part; basic aspect.

Forming or serving as a base

Low-lying land; a valley or hollow.

Situated at or near the base or bottom

(usually: bottoms or bottomland) Low-lying land near a river with alluvial soil.

(Chemistry) Of, relating to, or containing a base.

(euphemism) The buttocks or anus.

Having or showing a lack of decency; contemptible, mean-spirited, or selfish.

The lowest part of a container.

Being a metal that is of little value.

The bed of a body of water, as of a river, lake, or sea.

Containing such metals

An abyss.

(Archaic) Of low birth, rank, or position.

(nautical) A cargo vessel, a ship.

(Obsolete) Short in stature.

(nautical) Certain parts of a vessel, particularly the cargo hold or the portion of the ship that is always underwater.

To form or provide a base for

(baseball) The second half of an inning, the home team's turn at bat.

To find a basis for; establish

(BDSM) A submissive in sadomasochistic sexual activity.

To assign to a base; station

(gay slang) A man who prefers the receptive role in anal sex with men.

Something from which other things extend; a foundation.

(particle physics) bottom quark.

A supporting, lower or bottom component of a structure or object.

A ball or skein of thread; a cocoon.

The starting point of a logical deduction or thought; basis.

(obsolete) Dregs or grounds; lees; sediment.

A permanent structure for housing military personnel and material.

(transitive) To furnish (something) with a bottom.

The place where decisions for an organization are made; headquarters.

(transitive) To pour spirits into (a glass to be topped up with soda water).

A basic but essential component or ingredient.

(obsolete) To wind (like a ball of thread etc.).

A substance used as a mordant in dyeing.

(transitive) To establish or found (something) on or upon.

(cosmetics) Foundation: a cosmetic cream to make the face appear uniform.

To lie on the bottom of; to underlie, to lie beneath.

(chemistry) Any of a class of generally water-soluble compounds, having bitter taste, that turn red litmus blue, and react with acids to form salts.

To be based or grounded.

Important areas in games and sports.

To reach or strike against the bottom of something, so as to impede free action.

A safe zone in the children's games of tag and hide-and-go-seek.

(transitive) To reach the bottom of something.

(baseball) One of the four places that a runner can stand without being subject to being tagged out when the ball is in play.

To fall to the lowest point.

(architecture) The lowermost part of a column, between the shaft and the pedestal or pavement.

To be the submissive partner in a BDSM relationship.

A nucleotide's nucleobase in the context of a DNA or RNA biopolymer.

To be anally penetrated in gay sex.

(botany) The end of a leaf, petal or similar organ where it is attached to its support.

The lowest or last place or position.

(electronics) The name of the controlling terminal of a bipolar transistor (BJT).

(transgender) Relating to the genitals.

(geometry) The lowest side of a triangle or other polygon, or the lowest face of a cone, pyramid or other polyhedron laid flat.

The lowest part of anything; the foot; as, the bottom of a tree or well; the bottom of a hill, a lane, or a page.

(heraldry) The lowest third of a shield or escutcheon.

The part of anything which is beneath the contents and supports them, as the part of a chair on which a person sits, the circular base or lower head of a cask or tub, or the plank floor of a ship's hold; the under surface.

(heraldry) The lower part of the field. See escutcheon.

That upon which anything rests or is founded, in a literal or a figurative sense; foundation; groundwork.

(mathematics) A number raised to the power of an exponent.

The bed of a body of water, as of a river, lake, sea.

(mathematics) radix.

The fundament; the buttocks.

(topology) The set of sets from which a topology is generated.

An abyss.

(topology) A topological space, looked at in relation to one of its covering spaces, fibrations, or bundles.

Low land formed by alluvial deposits along a river; low-lying ground; a dale; a valley.

(group theory) A sequence of elements not jointly stabilized by any nontrivial group element.

The part of a ship which is ordinarily under water; hence, the vessel itself; a ship.

In hand-to-hand balance, the person who supports the flyer; the person that remains in contact with the ground.

Power of endurance; as, a horse of a good bottom.

(linguistics) A morpheme (or morphemes) that serves as a basic foundation on which affixes can be attached.

Dregs or grounds; lees; sediment.

(music) bass

A ball or skein of thread; a cocoon.

The smallest kind of cannon.

Of or pertaining to the bottom; fundamental; lowest; under; as, bottom rock; the bottom board of a wagon box; bottom prices.

(archaic) The housing of a horse.

To found or build upon; to fix upon as a support; - followed by on or upon.

A kind of skirt (often of velvet or brocade, but sometimes of mail or other armour) which hung from the middle to about the knees, or lower.

To furnish with a bottom; as, to bottom a chair.

(obsolete) The lower part of a robe or petticoat.

To reach or get to the bottom of.

(obsolete) An apron.

To rest, as upon an ultimate support; to be based or grounded; - usually with on or upon.

A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles.

To reach or impinge against the bottom, so as to impede free action, as when the point of a cog strikes the bottom of a space between two other cogs, or a piston the end of a cylinder.

(politics) A group of voters who almost always support a single party's candidates for elected office.

To wind round something, as in making a ball of thread.

(Marxism) The forces and relations of production that produce the necessities and amenities of life.

The lower side of anything

A material that holds paint or other materials together; a binder.

The lowest part of anything;

(aviation) base leg

The fleshy part of the human body that you sit on;

(slang) freebase cocaine

The second half of an inning; while the home team is at bat

The game of prisoners' bars.

A depression forming the ground under a body of water;

Alternative form of BASE

Low-lying alluvial land near a river

(transitive) To give as its foundation or starting point; to lay the foundation of.

A cargo ship;

(transitive) To be located (at a particular place).

Provide with a bottom or a seat;

To act as a base; to be the person supporting the flyer.

Strike the ground, as with a ship's bottom

(slang) To freebase.

Come to understand

(obsolete) Low in height; short.

Situated at the bottom or lowest position;

Low in place or position.

At the bottom; lowest or last;

(obsolete) Of low value or degree.

The lowest rank;

(archaic) Of low social standing or rank; vulgar, common.

Morally reprehensible, immoral; cowardly.

Inferior; unworthy, of poor quality.

(of a metal) Not considered precious or noble.

Alloyed with inferior metal; debased.

(obsolete) Of illegitimate birth; bastard.

Not classical or correct.

Obsolete form of bass

(legal) Not held by honourable service.

Of little, or less than the usual, height; of low growth; as, base shrubs.

Low in place or position.

Of humble birth; or low degree; lowly; mean.

Illegitimate by birth; bastard.

Of little comparative value, as metal inferior to gold and silver, the precious metals.

Alloyed with inferior metal; debased; as, base coin; base bullion.

Morally low. Hence: Low-minded; unworthy; without dignity of sentiment; ignoble; mean; illiberal; menial; as, a base fellow; base motives; base occupations.

Not classical or correct.

Deep or grave in sound; as, the base tone of a violin.

Not held by honorable service; as, a base estate, one held by services not honorable; held by villenage. Such a tenure is called base, or low, and the tenant, a base tenant.

The bottom of anything, considered as its support, or that on which something rests for support; the foundation; as, the base of a statue.

Fig.: The fundamental or essential part of a thing; the essential principle; a groundwork.

The lower part of a wall, pier, or column, when treated as a separate feature, usually in projection, or especially ornamented.

That extremity of a leaf, fruit, etc., at which it is attached to its support.

The positive, or non-acid component of a salt; a substance which, combined with an acid, neutralizes the latter and forms a salt; - applied also to the hydroxides of the positive elements or radicals, and to certain organic bodies resembling them in their property of forming salts with acids.

The chief ingredient in a compound.

A substance used as a mordant.

The exterior side of the polygon, or that imaginary line which connects the salient angles of two adjacent bastions.

The line or surface constituting that part of a figure on which it is supposed to stand.

The number from which a mathematical table is constructed; as, the base of a system of logarithms.

A low, or deep, sound. (Mus.) (a) The lowest part; the deepest male voice. (b) One who sings, or the instrument which plays, base.

A place or tract of country, protected by fortifications, or by natural advantages, from which the operations of an army proceed, forward movements are made, supplies are furnished, etc.

The smallest kind of cannon.

That part of an organ by which it is attached to another more central organ.

The basal plane of a crystal.

The ground mass of a rock, especially if not distinctly crystalline.

The lower part of the field. See Escutcheon.

The housing of a horse.

A kind of skirt (often of velvet or brocade, but sometimes of mailed armor) which hung from the middle to about the knees, or lower.

The lower part of a robe or petticoat.

An apron.

The point or line from which a start is made; a starting place or a goal in various games.

A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles.

A rustic play; - called also prisoner's base, prison base, or bars.

Any one of the four bounds which mark the circuit of the infield.

To put on a base or basis; to lay the foundation of; to found, as an argument or conclusion; - used with on or upon.

To abase; to let, or cast, down; to lower.

To reduce the value of; to debase.

Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water;

Installation from which a military force initiates operations;

Lowest support of a structure;

Place that runner must touch before scoring;

(numeration system) the positive integer that is equivalent to one in the next higher counting place;

The bottom or lowest part;

(anatomy) the part of an organ nearest its point of attachment;

A lower limit;

The fundamental assumptions from which something is begun or developed or calculated or explained;

A support or foundation;

The bottom side of a geometric figure from which the altitude can be constructed;

The most important or necessary part of something;

The place where you are stationed and from which missions start and end

An intensely anti-western terrorist network that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist group; has cells in more than 50 countries

(linguistics) the form of a word after all affixes are removed;

The stock of basic facilities and capital equipment needed for the functioning of a country or area;

The principal ingredient of a mixture;

A flat bottom on which something is intended to sit;

(electronics) the part of a transistor that separates the emitter from the collector

Use as a basis for; found on;

Use (purified cocaine) by burning it and inhaling the fumes

Assign to a station

Serving as or forming a base;

(used of metals) consisting of or alloyed with inferior metal;

Of low birth or station (`base' is archaic in this sense);

Not adhering to ethical or moral principles;

Having or showing an ignoble lack of honor or morality;

Illegitimate

Debased; not genuine;