MORNING a.
he morning before one is dressed for the day. -- Morning gun, a gun fired at the first stroke of reveille at military posts. -- Morning sickness (Med.), nausea and vomiting, usually occurring in the morning; -- a common sign of pregnancy. -- Morning star. (a) Any one of the planets (Venus, Jupiter, Mars, or Saturn)…
O n.
o is most closely related to a, e, and u; as in E. bone, AS. ban; E. stone, AS. stan; E. broke, AS. brecan to break; E. bore, AS. beran to bear; E. dove, AS. dufe; E. toft, tuft; tone, tune; number, F. nombre. The letter o has several vowel sounds, the principal of which are its long sound, as in bone, its short sound,…
OTTO CYCLE n.
A four-stroke cycle for internal-combustion engines consisting of the following operations: First stroke, suction into cylinder of explosive charge, as of gas and air; second stroke, compression, ignition, and explosion of this charge; third stroke (the working stroke), expansion of the gases; fourth stroke, expulsion…