identity

Các nghĩa

1. sự đồng nhất, tính giống hệt

   Sameness, identicalness; the quality or fact of (several specified things) being the same.

   countable · uncountable

   Benjamin Franklin established the identity of electricity and lightning.

2. cá tính · đặc tính

   The difference or character that marks off an individual or collective from the rest of the same kind; selfhood; the sense of who something or someone or oneself is, or the recurring characteristics that enable the recognition of such an individual or group by others or themselves.

   countable · uncountable

   I've been through so many changes, I have no sense of identity.

   This nation has a strong identity.

3. danh tính, căn cước

   A name or persona—a mask or appearance one presents to the world—by which one is known.

   countable · uncountable

   This criminal has taken on several identities.

   In this show, the competitor's identity will remain secret until after the vote.

4. đồng nhất thức

   An equation which always holds true regardless of the choice of input variables.

   countable · uncountable

   The equation (x+y)(x−y) = x²−y² is an algebraic identity. It is true regardless of the values of x and y.

5. ánh xạ đồng nhất

   Any function which maps all elements of its domain to themselves.

   countable · uncountable

6. phần tử đơn vị

   An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element.

   countable · uncountable

   Zero is the identity for the addition of real numbers.

Dạng khác

• identities plural