With singular agreement: the body of technical terms or methods in a particular field; technics, technique. With plural agreement: a technical term or method, a technique.
In later use only in translations from other languages.
Late 18th century; earliest use found in Charles Burney (1726–1814), musician and author. Partly from ancient Greek τεχνικά, neuter plural ofτεχνικός, and partly from ancient Greek τεχνική, feminine singular of τεχνικός, after Latin feminine nouns in -a.