identifier

identifier — noun

1. a name, number, or other symbol that is assigned to a person, item, or set of in

1.名詞B2
釋義

a name, number, or other symbol that is assigned to a person, item, or set of information so that it can be recognised or referred to separately from others

例句

Every digital file on the server received a unique identifier to track its location.

unique identifier + purpose clause (so that...)

Arjun linked the patient's records to a single identifier across all hospital departments.

identifier + prepositional phrase (across [departments])

同義詞
  • ID

    shorter, informal form; very common in everyday speech and writing

  • code

    often shorter and may use only numbers or letters without a descriptive name

  • label

    suggests a human-readable name or tag, often less technical

  • key

    implies the identifier is used to look up or access a record in a database

文法句型

a/an + adjective + identifier

identifier + for/of + noun phrase

用法筆記

Most common in computing and data-management contexts, where an identifier is a label (often a string of letters, numbers, or both) assigned to a file, user, record, or digital object. Outside computing, the word can also refer to any name or number used for official identification, such as a tax identifier or personal ID number.

常見錯誤

❌Please enter your identity to log in.
✅Please enter your identifier to log in.
💡'identity' means who you are; 'identifier' is the code or name used to recognise you.
❌I forgot my identificator for the system.
✅I forgot my identifier for the system.
💡'identificator' is not standard English; use 'identifier' instead.