Opera

op^er-a, n. A musical drama consisting airs, choruses, recitations, etc.; the score of a musical drama; house where operas are exhibited.— Operat'ic, -ical, a. Pert, or appropriate to the opera. — Op'era gla , n. A short telescope of low power, usually with a tube and gla es for each eye, for use in theaters, etc.; a lorgnette. — Op'era-bouffe'', -boof, n. A comic opera. — Op'erate, v. i. To exert power or strength, physical or mechanical; to produce an appropriate physical effect; to exert moral influence. Opera-gla . (Med.) To take appropriate effect on the human system (Surg.) To perform some manual act upon a human body, usually with instruments. — v. To produce as an effect; to cause, occasion; to put into or to continue in operation; to work. — Opera'tion, n. Act or proce of operating; agency; exertion of power, physical, mechanical, or moral sfin, cube, full; moon, fot>t; cow, oil method of working; effect brought about by a definite plan, (Math.) Some transformation to be made a upon quantities, indicated by rules or symbols. — (Surg.) Any methodical action of the hand, or of the hand with instruments, on the human body. — a Operative, -a-tiv, a.. Having power of acting; exerting force; efficient in work; efficacious. — n. A laboring man; artisan; workman in manufactories. — Op'era'tor, n. One who, or that which, operates. (Surg.) One who performs some act upon the human body. — Op'erose', -os', a. Wrought with labor; laborious; tedious; wearisome.