specification

noun

spec·​i·​fi·​ca·​tion ˌspe-sə-fə-ˈkā-shən 

ˌspes-fə-

1

: the act or process of specifying

2

a

: a detailed precise presentation of something or of a plan or proposal for something

—usually plural

b

: a statement of legal particulars (as of charges or of contract terms)

also : a single item of such statement

c

: a written description of an invention for which a patent is sought

Examples of specification in a Sentence

Recent Examples on the Web

The agent may rely on information beyond the product catalogue, including product specifications, reviews, editorial coverage, affiliate roundups, retailer information and other third-party sources. — Max Sinclair, Forbes.com, 23 Sep. 2026

To join the platform, all listings are vetted and must meet a comprehensive list of specifications like ramps, step-free entrances, minimum door widths, and accessible parking. — Cnt Editors, Condé Nast Traveler, 22 Sep. 2026

Full technical specifications, motor specs, top speeds, and battery parameters for all participating models can be found on the official Ausom Fall Sale Page. — New Atlas, 22 Sep. 2026

The missile is designed for a range of more than 6,000 miles and can reach approximately 15,000 mph, or about Mach 23, at burnout, according to Air Force specifications. — Kaif Shaikh, Interesting Engineering, 20 Sep. 2026

Word History

First Known Use

1633, in the meaning defined at sense 1

Rhymes for specification

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Kids Definition

specification

noun

spec·​i·​fi·​ca·​tion ˌspes-(ə-)fə-ˈkā-shən 

1

: the act or process of specifying

2

a

: a description of work to be done or materials to be used

—usually used in plural

the architect's specifications for a new building

b

: a single specified item

Legal Definition

specification

noun

spec·​i·​fi·​ca·​tion ˌspe-sə-fə-ˈkā-shən 

: a detailed precise presentation of something or of a plan or proposal for something: as

a

: a written statement containing a description of particulars (as of charges or contract terms)

b

: a written description of an invention or discovery for which a patent is sought that embodies the manner and process of making and using the invention or discovery and concludes with a claim of that aspect for which the applicant demands credit

c

: a written description of construction work to be done forming part of the contract

—usually used in pl.