Noun
(music, abbreviation) Opus.
(abbreviation) Operation.
(abbreviation) Operator.
(abbreviation) Operative.
(abbreviation) A detective.
An operator's license, usually ops
(informal, abbreviation) Opportunity.
photo op.
(law) Abbreviation of opinion.
Source: en.wiktionary.orgAccording to Hawkins, Francesco Barsanti dedicated the six recorder sonatas of his Op. 1 to Lord Burlington, although the dedication must have appeared on the manuscript copies sold by Peter Bressan, before Walsh & Hare engraved the works c. 1727. Source: Internet
According to Green, "Beethoven's Op. 61 and Mendelssohn's Op. 64 are identical in genre – both are violin concertos – but different in form. Source: Internet
A Monk of St. Tikhon's Monastery, Op. cit., p. 153. As soon as the person has died the priest begins The Office After the Departure of the Soul From the Body (also known as The First Pannikhida ). Source: Internet
Alberto Ginastera’s Harp Concerto, Op. 25. Ginastera was an Argentine composer born in 1916, and this work is both heart-pounding and romantic. Source: Internet
Bartók assigned opus numbers to his works three times, the last of these series ending with the Sonata for Violin and Piano No. 1, Op. 21 in 1921. Source: Internet
Clarke, op. cit. p. 120, citing and agreeing with Isaac Asimov in his introduction to The Best of Stanley G. Weinbaum, who was the second nova. Source: Internet