Identitynoun
Sameness, identicalness; the quality or fact of (several specified things) being the same.
Identitylessadjective
Without identity.
Identitynoun
The difference or character that marks off an individual from the rest of the same kind, selfhood.
Identitynoun
A name or persona—the mask or appearance one presents to the world—by which one is known.
‘This criminal has taken on several identities.’;
Identitynoun
Sense of who one is.
‘I’ve been through so many changes, I have no sense of identity.’; ‘This nation has a strong identity.’;
Identitynoun
Any function which maps all elements of its domain to themselves.
Identitynoun
(algebra) An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element.
Identitynoun
A well-known or famous person.
Identitynoun
The state or quality of being identical, or the same; sameness.
‘Identity is a relation between our cognitions of a thing, not between things themselves.’;
Identitynoun
The condition of being the same with something described or asserted, or of possessing a character claimed; as, to establish the identity of stolen goods.
Identitynoun
An identical equation.
Identitynoun
the distinct personality of an individual regarded as a persisting entity;
‘you can lose your identity when you join the army’;
Identitynoun
the individual characteristics by which a thing or person is recognized or known;
‘geneticists only recently discovered the identity of the gene that causes it’; ‘it was too dark to determine his identity’; ‘she guessed the identity of his lover’;
Identitynoun
an operator that leaves unchanged the element on which it operates;
‘the identity under numerical multiplication is 1’;
Identitynoun
exact sameness;
‘they shared an identity of interests’;
Identitynoun
the fact of being who or what a person or thing is
‘she believes she is the victim of mistaken identity’; ‘he knows the identity of the bombers’;
Identitynoun
the characteristics determining who or what a person or thing is
‘he wanted to develop a more distinctive Scottish Tory identity’;
Identitynoun
(of an object) serving to establish who the holder, owner, or wearer is by bearing their name and often other details such as a signature or photograph
‘an identity card’;
Identitynoun
a close similarity or affinity
‘an identity between the company’s own interests and those of the local community’;
Identitynoun
a transformation that leaves an object unchanged.
Identitynoun
an element of a set which, if combined with another element by a specified binary operation, leaves that element unchanged.
Identitynoun
the equality of two expressions for all values of the quantities expressed by letters, or an equation expressing this, e.g. (x + 1)² = x² + 2x + 1.