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photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
LED lamp — An LED lamp (LED light bulb) is a solid state lamp that uses light emitting diodes (LEDs) as the source of light. The LEDs involved may be conventional semiconductor light emitting diodes, organic LEDs (OLED), or polymer light emitting diodes… … Wikipedia
bulb — I (New American Roget s College Thesaurus) n. knob, globe; tuber, corm; lamp. See convexity, vegetable, light, rotundity. II (Roget s IV) n. Syn. globe, globule, ball, knob, nodule, corn, nub, tuber, bulbil, tubercle, corm, protuberance, head,… … English dictionary for students
light — I (New American Roget s College Thesaurus) I adj. airy (see levity); frivolous, jesting, jocular, lightsome; giddy, dizzy, flighty; wanton; nimble, agile; flippant, pert, insouciant; humorous; trivial. See cheerfulness, unimportance, impurity,… … English dictionary for students

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