What does specifier mean?
A specifier is something that identifies, defines, or narrows down the precise meaning, type, format, or conditions associated with something else. The term is especially useful in technical subjects. In computing, for example, a format specifier tells a program how a value should be represented, while a path specifier identifies a particular location within a system. In contracts, technical standards, and formal descriptions, a specifier may be a clause or phrase that makes a general requirement exact. The word can also refer to a person whose job is to specify requirements. Overall, “specifier” is more precise and formal than words such as “thing” or “detail,” but less commonly used than “specific” in ordinary conversation. It is useful whenever a statement needs to identify exactly what is intended rather than merely describe a general category.
nounA specifier is a person, thing, or syntactic element that specifies, identifies, or defines something more precisely. In computing and formal notation, it often denotes a symbol or phrase indicating a required type, format, or other characteristic.
- A word, phrase, symbol, or other element that specifies or identifies a particular type, format, or characteristic.
- A person whose role or function is to specify or define something.
"The printf format specifier determines how each argument is displayed."
"The printf format specifier determines how each argument is displayed."
"The contract clause acts as a specifier, identifying exactly which assets are covered."
The regular plural is formed by adding -s.
"The guide lists several accepted specifiers for the optional fields."
A specifier narrows the field by saying which option, type, format, or detail is meant.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does specifier come from?
Specifier entered English from Latin during the early modern period. Latin specifier meant “one who points out” or “one who makes specific,” and was built from specere, “to look at,” together with a suffix meaning “to make.” The English word belongs to a family that includes specify, specific, specimen, and special.
How specifier is actually used
The word is relatively formal and is especially common in computing, documentation, and technical writing. Outside those contexts, it usually sounds more precise and institutional than the simpler word “specific.”