plural of ring light

plural of ring flash

plural of ring lamp

(photography) A circular electronic flash that fits around a camera lens.

(Canada, engineering) The symbol of a Canadian engineer. A faceted stainless steel or iron ring worn on the little finger of the dominant hand, signifying a trained Canadian engineer, awarded in Canada after an accompanying oath of professional conduct, in a private ceremony with dramatic rites.

(historical) A form of fraud in which a ring or other spurious article is supposed to be found just in front of the mark, who is tempted to buy it at a fraction of its claimed value.

A variety of duck, duck, goose, in which a successful catcher can claim a kiss (in the middle of the ring of players) from the picker

(US, military, slang) An officer who graduated from a military academy.

plural of ring knocker

(mathematics) Of or relating to ring theory.