sec

(noun) 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites. Synonyms: second, s.

(noun) ratio of the hypotenuse to the adjacent side of a right-angled triangle. Synonyms: secant.

(noun) an independent federal agency that oversees the exchange of securities to protect investors. Synonyms: Securities and Exchange Commission, SEC.

(adj) (of champagne) moderately dry. Synonyms: unsweet.