second(redirected from Arc seconds)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia.
Related to Arc seconds: Milliarcsecond
second(Backer), noun advocate, aide, angel, backer, champion, endorser, patron, promoter, supporter
second(Moment), noun before you know it, brief peeiod of time, flash, flash of an eyelid, instant
secondverb approve, assist, authorize, back, back up, confirm, endorse, favor, pass, ratify, receipt, recommend, sanction, stand behind, subscribe, support, validate, vote for, warrant
Associated concepts: second lien
See also: abet, abettor, advocate, agree, aid, approve, assist, assistant, backer, bear, concur, confirm, countersign, deputy, endorse, help, indorse, justify, organize, point, proctor, promote, recommend, replacement, side, support, uphold
SECOND. A measure equal to one sixtieth part of a minute. Vide Measure.