Complement vs. Completion: What's the Difference?

Something that completes, makes up a whole, or brings to perfection

The act of completing or the state of being completed.

The quantity or number needed to make up a whole

(Football) A forward pass that is caught in bounds by a receiver.

The full crew of personnel required to run a ship.

The act or state of being or making something complete; conclusion, accomplishment.

Either of two parts that complete the whole or mutually complete each other.

(legal) The conclusion of an act of conveyancing concerning the sale of a property.

An angle related to another so that the sum of their measures is 90°.

(American football) A forward pass that is successfully caught by the intended receiver.

(Grammar) A word or words used to complete a predicate construction, especially the object or indirect object of a verb, for example, the phrase to eat ice cream in We like to eat ice cream.

(mathematics) The act of making a metric space complete by adding points.

(Music) An interval that completes an octave when added to a given interval.

(mathematics) The space resulting from such an act.

(Immunology) A complex system of proteins found in blood plasma that are sequentially activated and play various roles in the immune response, including lysing bacterial cell membranes, making pathogens more susceptible to phagocytes, and recruiting inflammatory cells to sites of infection or injury. Also called alexin.

(computing) autocomplete

Mathematics & Logic For a universal set, the set of all elements in the set that are not in a specified subset.

The act or process of making complete; the getting through to the end; as, the completion of an undertaking, an education, a service.

A complementary color.

State of being complete; fulfillment; accomplishment; realization.

To serve as a complement to

(American football) a successful forward pass in football

Something (or someone) that completes; the consummation.

A concluding action

(obsolete) The act of completing something, or the fact of being complete; completion, completeness, fulfilment.

The totality, the full amount or number which completes something.

(obsolete) Something which completes one's equipment, dress etc.; an accessory.

(nautical) The whole working force of a vessel.

(heraldry) Fullness (of the moon).

An angle which, together with a given angle, makes a right angle.

Something which completes, something which combines with something else to make up a complete whole; loosely, something perceived to be a harmonious or desirable partner or addition.

A word or group of words that completes a grammatical construction in the predicate and that describes or is identified with the subject or object.

(music) An interval which, together with the given interval, makes an octave.

(optics) The color which, when mixed with the given color, gives black (for mixing pigments) or white (for mixing light).

(set theory) Given two sets, the set containing one set's elements that are not members of the other set (whether a relative complement or an absolute complement).

(immunology) One of several blood proteins that work with antibodies during an immune response.

(logic) An expression related to some other expression such that it is true under the same conditions that make other false, and vice versa.

(electronics) A voltage level with the opposite logical sense to the given one.

(computing) A bit with the opposite value to the given one; the logical complement of a number.

The diminished radix complement of a number; the nines' complement of a decimal number; the ones' complement of a binary number.

The radix complement of a number; the two's complement of a binary number.

The numeric complement of a number.

(genetics) A nucleotide sequence in which each base is replaced by the complementary base of the given sequence: adenine (A) by thymine (T) or uracil (U), cytosine (C) by guanine (G), and vice versa.

Obsolete spelling or misspelling of compliment. should this be at a different ety?

(biochemistry) alexin

(economics) complementary good

To complete, to bring to perfection, to make whole.

To provide what the partner lacks and lack what the partner provides, thus forming part of a whole.

To change a voltage, number, color, etc. to its complement.

(obsolete) Old form of compliment

That which fills up or completes; the quantity or number required to fill a thing or make it complete.

That which is required to supply a deficiency, or to complete a symmetrical whole.

Full quantity, number, or amount; a complete set; completeness.

A second quantity added to a given quantity to make it equal to a third given quantity.

Something added for ornamentation; an accessory.

The whole working force of a vessel.

The interval wanting to complete the octave; - the fourth is the complement of the fifth, the sixth of the third.

A compliment.

To supply a lack; to supplement.

To compliment.

A word or phrase used to complete a grammatical construction

A complete number or quantity;

Number needed to make up whole force;

Something added to complete or make perfect;

One of a series of enzymes in the blood serum that are part of the immune response

Either of two parts that mutually complete each other

Make complete or perfect; supply what is wanting or form the complement to;