См. также в других словарях:
quantity of light — šviesos energija statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, lygus pastoviojo šviesos srauto ir jo veikimo trukmės sandaugai. atitikmenys: angl. luminous energy; quantity of light vok. Energie des Lichtes, f; Lichtenergie,… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
quantity of light — šviesos energija statusas T sritis Standartizacija ir metrologija apibrėžtis Šviesos srauto pagal laiką integralas. atitikmenys: angl. luminous energy; quantity of light vok. Energie des Lichtes, f; Lichtenergie, f rus. световая энергия, f pranc … Penkiakalbis aiškinamasis metrologijos terminų žodynas
quantity of light — luminous energy that is the product of mean luminous flux by time quantity of light expressed in lumen hours … Useful english dictionary
quantity of light — A product of luminous flux and time during which it is maintained; usually stated in lumen hours … Dictionary of automotive terms
light — I [[t]la͟ɪt[/t]] BRIGHTNESS OR ILLUMINATION ♦♦ lights, lighting, lit, lighted, lighter, lightest (The form lit is the usual past tense and past participle, but the form lighted is also used.) 1) N UNCOUNT: also the N Light is the brightness that… … English dictionary
Quantity — is a kind of property which exists as magnitude or multitude. It is among the basic classes of things along with quality, substance, change, and relation. Quantity was first introduced as quantum, an entity having quantity. Being a fundamental… … Wikipedia
light — light1 [līt] n. [ME liht < OE lēoht, akin to Ger licht < IE base * leuk , to shine, bright > Gr leukos, white, L lux & lumen, light, lucere, to shine, luna, moon, Welsh llug, gleam] 1. a) the form of electromagnetic radiation that acts… … English World dictionary
light´en|er — light|en1 «LY tuhn», intransitive verb. 1. to grow light; become brighter: »The sky lightens before the dawn. 2. Figurative. to brighten: »Her face lightened. 3. to become lighter in color. 4. to flash with lightning: »It thundered and lightened… … Useful english dictionary
light|en — light|en1 «LY tuhn», intransitive verb. 1. to grow light; become brighter: »The sky lightens before the dawn. 2. Figurative. to brighten: »Her face lightened. 3. to become lighter in color. 4. to flash with lightning: »It thundered and lightened… … Useful english dictionary
Light — For other uses, see Light (disambiguation). Visible light redirects here. For other uses, see Visible light (disambiguation) … Wikipedia
Light intensity — Several measures of light are commonly known as intensity:*Radiant intensity is a radiometric quantity, measured in watts per steradian (W/sr). *Luminous intensity is a photometric quantity, measured in lumens per steradian (lm/sr), or candela… … Wikipedia
