Identifier

[ahy-den-tuh-fahy, ih-den-] /aɪˈdɛn təˌfaɪ, ɪˈdɛn-/

verb (used with object), identified, identifying.
1.
to recognize or establish as being a particular person or thing; verify the of:
to identify handwriting; to identify the bearer of a check.
2.
to serve as a means of for:
His gruff voice quickly identified him.
3.
to make, represent to be, or regard or treat as the same or identical:
They identified Jones with the progress of the company.
4.
to associate in name, feeling, interest, action, etc. (usually followed by with):
He preferred not to identify himself with that group.
5.
Biology. to determine to what group (a given specimen) belongs.
6.
Psychology. to associate (one or oneself) with another person or a group of persons by .
verb (used without object), identified, identifying.
7.
to experience psychological :
The audience identified with the play’s characters.
/aɪˈdɛntɪˌfaɪ/
noun
1.
a person or thing that establishes the identity of someone or something
/aɪˈdɛntɪˌfaɪ/
verb (mainly transitive) -fies, -fying, -fied
1.
to prove or recognize as being a certain person or thing; determine the identity of
2.
to consider as the same or equivalent
3.
(also intransitive) often foll by with. to consider (oneself) as similar to another
4.
to determine the taxonomic classification of (a plant or animal)
5.
(psychol) (intransitive) usually foll by with. to engage in identification
n.

“thing that identifies,” 1870, agent noun from identify.
v.

1640s, “regard as the same,” from French identifier, from identité (see identity). Sense of “recognize” first recorded 1769. Meaning “make one (with), associate (oneself)” is from 1780. Sense of “serve as means of identification” is attested by 1886. Related: Identified; identifying.

1. A formal name used in source code to refer to a variable, function, procedure, package, etc. or in an operating system to refer to a process, user, group, etc.
Each different type of entity may have a different range of valid identifiers or “name space”. For example, an identifier in C is a series of one or more letters, digits and underscores that does not begin with a digit. An identifier has a type, e.g. integer variable, hash, variant and a scope, e.g. block, global.
(2006-05-29)
2. (id) A primary key. The column containing a table’s primary key is frequently named after the table with “_id” appended, e.g. “customer_id”.
(2006-05-29)