# Cipher vs. Zero: What's the Difference?

## Cipher and Zero Definitions

#### Cipher

The mathematical symbol (0) denoting absence of quantity; zero.

#### Zero

The numerical symbol 0; a cipher.

#### Cipher

An Arabic numeral or figure; a number.

#### Zero

The identity element for addition.

#### Cipher

One having no influence or value; a nonentity.

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#### Zero

A cardinal number indicating the absence of any or all units under consideration.

#### Cipher

A cryptographic system in which units of text of regular length, usually letters, are transposed or substituted according to a predetermined code.

#### Zero

An ordinal number indicating an initial point or origin.

#### Cipher

The key to such a system.

#### Zero

An argument at which the value of a function vanishes.

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#### Cipher

A message written or transmitted in such a system.

#### Zero

The temperature indicated by the numeral 0 on a thermometer.

#### Cipher

A design combining or interweaving letters or initials; a monogram.

#### Zero

A sight setting that enables a firearm to shoot on target.

#### Cipher

To solve problems in arithmetic; calculate.

#### Zero

(Informal) One having no influence or importance; a nonentity

A manager who was a total zero.

#### Cipher

To put in secret writing; encode.

#### Zero

The lowest point

His prospects were approaching zero.

#### Cipher

To solve by means of arithmetic.

#### Zero

(Informal) Nothing; nil

Today I accomplished zero.

#### Cipher

A numeric character.

#### Zero

Of, relating to, or being zero.

#### Cipher

Any text character.

#### Zero

Having no measurable or otherwise determinable value.

#### Cipher

A combination or interweaving of letters, as the initials of a name.

A painter's cipher

An engraver's cipher

#### Zero

(Informal) Not any; no

"The town has ... practically no opportunities for amusement, zero culture" (Robert M. Adams).

#### Cipher

A method of transforming a text in order to conceal its meaning.

The message was written in a simple cipher. Anyone could figure it out.

#### Zero

Designating a ceiling not more than 16 meters (52 feet) high.

#### Cipher

(cryptography) A cryptographic system using an algorithm that converts letters or sequences of bits into ciphertext.

A public-key cipher

#### Zero

Limited in horizontal visibility to no more than 55 meters (180 feet).

#### Cipher

Ciphertext; a message concealed via a cipher.

The message is clearly a cipher, but I can't figure it out.

#### Zero

(Linguistics) Of or relating to a morpheme that is expected by an established, regular paradigm but has no spoken or written form. Moose has a zero plural; that is, its plural is moose.

#### Cipher

A grouping of three digits in a number, especially when delimited by commas or periods:

The probability is 1 in 1,000,000,000,000,000 — a number having five ciphers of zeros.

#### Zero

To adjust (an instrument or a device) to zero value.

#### Cipher

(music) A fault in an organ valve which causes a pipe to sound continuously without the key having been pressed.

#### Zero

The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0.

The conductor waited until the passenger count was zero.

A cheque for zero dollars and zero cents crashed the computers on division by zero.

#### Cipher

A hip-hop jam session.

#### Zero

The numeric symbol that represents the cardinal number zero.

In unary and k-adic notation in general, zero is the empty string.

Write 0.0 to indicate a floating point number rather than the integer zero.

The zero sign in American Sign Language is considered rude in some cultures.

#### Cipher

(slang) The path (usually circular) shared cannabis takes through a group, an occasion of cannabis smoking.

#### Zero

The digit 0 in the decimal, binary, and all other base numbering systems.

One million has six zeroes.

#### Cipher

Someone or something of no importance.

#### Zero

Nothing, or none.

The shipment was lost, so they had zero in stock.

He knows zero about humour.

In the end, all of our hard work amounted to zero.

#### Cipher

(dated) Zero.

#### Zero

The value of a magnitude corresponding to the cardinal number zero.

The electromagnetic field does not drop all of the way to zero before a reversal.

#### Cipher

To calculate.

I never learned much more than how to read and cipher.

#### Zero

The point on a scale at which numbering or measurement originates.

The temperature outside is ten degrees below zero.

#### Cipher

(intransitive) To write in code or cipher.

#### Zero

(mathematics) A value of the independent variables of a function, for which the function is equal to zero.

The zeroes of a polynomial are its roots by the fundamental theorem of algebra.

The derivative of a continuous, differentiable function that twice crosses the axis must have a zero.

The nontrivial zeros of the Riemann zeta function may all lie on the critical line.

#### Cipher

Of an organ pipe: to sound independent of the organ.

#### Zero

The additive identity element of a monoid or greater algebraic structure, particularly a group or ring.

Since a commutative zero is the inverse of any additive identity, it must be unique when it exists.

The zero (of a ring or field) has the property that the product of the zero with any element yields the zero.

The quotient ring over a maximal ideal is a field with a single zero element.

#### Cipher

(obsolete) To decipher.

#### Zero

(slang) A person of little or no importance.

They rudely treated him like a zero.

#### Cipher

A character [0] which, standing by itself, expresses nothing, but when placed at the right hand of a whole number, increases its value tenfold.

#### Zero

(military) A Mitsubishi A6M Zero, a long range fighter aircraft operated by the Japanese Navy Air Service from 1940 to 1945.

#### Cipher

One who, or that which, has no weight or influence.

Here he was a mere cipher.

#### Zero

A setting of calibrated instruments such as a firearm, corresponding to a zero value.

#### Cipher

A character in general, as a figure or letter.

This wisdom began to be written in ciphers and characters and letters bearing the forms of creatures.

#### Zero

(finance) A security which has a zero coupon (paying no periodic interest).

The takeovers were financed by issuing zeroes.

#### Cipher

A combination or interweaving of letters, as the initials of a name; a device; a monogram; as, a painter's cipher, an engraver's cipher, etc. The cut represents the initials N. W.

#### Zero

(informal) No, not any.

She showed zero respect.

#### Cipher

A private alphabet, system of characters, or other mode of writing, contrived for the safe transmission of secrets; also, a writing in such characters.

His father . . . engaged him when he was very young to write all his letters to England in cipher.

#### Zero

(meteorology) Of a cloud ceiling, limiting vision to 50 feet (15 meters) or less.

#### Cipher

Of the nature of a cipher; of no weight or influence.

#### Zero

(meteorology) Of horizontal visibility, limited to 165 feet (50.3 meters) or less.

#### Cipher

To use figures in a mathematical process; to do sums in arithmetic.

"T was certain he could write and cipher too.

#### Zero

(linguistics) Present at an abstract level, but not realized in the surface form.

The stem of "kobieta" with the zero ending is "kobiet".

#### Cipher

To write in occult characters.

His notes he ciphered with Greek characters.

#### Zero

(transitive) To set a measuring instrument to zero; to calibrate an instrument scale to valid zero.

Zero the fluorometer with the same solvent used in extraction.

George parked in space 34, zeroed the trip meter, closed and locked his car, then went back to the guard shack.

#### Cipher

To get by ciphering; as, to cipher out the answer.

#### Zero

To change a memory location or range to values of zero; to set a variable in a computer program to zero.

Results were inconsistent because an array wasn’t zeroed during initialization.

#### Cipher

To decipher.

#### Zero

(transitive) To cause or set some value or amount to be zero.

They tried to zero the budget by the end of the quarter.

The bill was over $400, but the server zeroed it out as a gesture of gratitude.

#### Cipher

To designate by characters.

#### Zero

(transitive) To eliminate; to delete; to overwrite with zeros.

#### Cipher

A message written in a secret code

#### Zero

(intransitive) To disappear.

#### Cipher

A mathematical element that when added to another number yields the same number

#### Zero

A cipher; nothing; naught.

#### Cipher

A quantity of no importance;

It looked like nothing I had ever seen before

Reduced to nil all the work we had done

We racked up a pathetic goose egg

It was all for naught

I didn't hear zilch about it

#### Zero

The point from which the graduation of a scale, as of a thermometer, commences.

#### Cipher

A person of no influence

#### Zero

Fig.: The lowest point; the point of exhaustion; as, his patience had nearly reached zero.

#### Cipher

A secret method of writing

#### Zero

A quantity of no importance;

It looked like nothing I had ever seen before

Reduced to nil all the work we had done

We racked up a pathetic goose egg

It was all for naught

I didn't hear zilch about it

#### Cipher

Convert ordinary language into code;

We should encode the message for security reasons

#### Zero

A mathematical element that when added to another number yields the same number

#### Cipher

Make a mathematical calculation or computation

#### Zero

The quantity that registers a reading of zero on a scale

#### Zero

Adjust (an instrument or device) to zero value

#### Zero

Adjust (as by firing under test conditions) the zero of (a gun);

He zeroed in his rifle at 200 yards

#### Zero

Indicating the absence of any or all units under consideration;

A zero score

#### Zero

Indicating an initial point or origin

#### Zero

Of or relating to the null set (a set with no members)

#### Zero

Having no measurable or otherwise determinable value;

The goal is zero population growth