The difference between Cipher and Nullity
When used as nouns, cipher means a numeric character, whereas nullity means the state of being null, or void, or invalid.
Cipher is also verb with the meaning: to calculate.
check bellow for the other definitions of Cipher and Nullity
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Cipher as a noun:
A numeric character.
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Cipher as a noun:
Any text character.
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Cipher as a noun:
A combination or interweaving of letters, as the initials of a name; a device; a monogram.
Examples:
"a painter's cipher, an engraver's cipher, etc."
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Cipher as a noun:
A method of transforming a text in order to conceal its meaning.
Examples:
"The message was written in a simple cipher. Anyone could figure it out."
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Cipher as a noun (cryptography):
A cryptographic system using an algorithm that converts letters or sequences of bits into ciphertext.
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Cipher as a noun:
Ciphertext; a message concealed via a cipher.
Examples:
"The message is clearly a cipher, but I can't figure it out."
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Cipher as a noun:
A grouping of three digits in a number, especially when delimited by commas or periods:
Examples:
"The probability is 1 in 1,000,000,000,000,000 — a number having five ciphers of zeros."
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Cipher as a noun (music):
A fault in an organ valve which causes a pipe to sound continuously without the key having been pressed.
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Cipher as a noun:
A hip-hop jam session.
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Cipher as a noun:
The path (usually circular) shared cannabis takes through a group, an occasion of cannabis smoking.
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Cipher as a noun:
Someone or something of no importance.
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Cipher as a noun (dated):
Zero.
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Cipher as a verb (intransitive, regional, dated):
To calculate.
Examples:
"I never learned much more than how to read and cipher."
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Cipher as a verb (intransitive):
To write in code or cipher.
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Cipher as a verb (intransitive, music):
Of an organ pipe: to sound independent of the organ.
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Cipher as a verb (obsolete):
To decipher.
Examples:
"rfquotek Shakespeare"
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Nullity as a noun:
The state of being null, or void, or invalid.
Examples:
"nullity of marriage"
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Nullity as a noun (legal):
A void act; a defective proceeding or one expressly declared by statute to be a nullity.
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Nullity as a noun (math):
The difference between the rank of a matrix and the number of columns it has; the dimension of the nullspace of a matrix.