A sudden, usually temporary increase in number or quantity: The baby boom created a bulge in school enrollment. v. bulged, bulgÂ·ing, bulgÂ·es. v.intr. To swell, protrude, or curve outward: a wall bulging after a flood; muscles bulging under a shirt. v.tr. To cause to bulge. [Middle English, pouch, from Old French bulge, bouge, from Latin bulga, bag, of Celtic origin; see bhelgh-in Indo-European roots.] bulgâ²iÂ·ness n. bulgâ²y adj. Synonyms: bulge, balloon, belly, jut, project, protrude These verbs mean to curve, spread, or extend outward past the normal or usual limit: a wallet bulging with money; a clown's pants that ballooned at the waist; a sail bellying in the wind; a boulder jutting from the hillside; a deck that projected from the house in back; eyes protruding from ...
One of the key components of the optical system of many compound microscopes is a condenser. A condenser is a lens that serves to concentrate light from the illumination source that is in turn focused through the object and magnified by the objective lens. It is a basic component of almost all compound light microscopes manufactured since the 19th Century.
Condenser Microphones. An Condenser microphone is a type of microphone that consists of a pair of charged plates that can be forced closer or further apart by variations in pressure. In effect, the plates act like a sound-sensitive capacitor. condenser microphone needs to receive an external voltage to both charge the diaphragm of the microphone so that the microphone can have charged plates (positive and negative plates) and to provide power to the amplifier.