- photopositive
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/foh'teuh poz"i tiv/, adj. Physics.pertaining to a substance whose conductivity increases upon absorption of electromagnetic radiation.[1910-15; PHOTO- + POSITIVE]
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Universalium. 2010.
photopositive
Look at other dictionaries:
photopositive — [fōt΄ō päz′ə tiv] adj. Biol. responding positively to light, as a moth does … English World dictionary
photopositive — adjective Date: 1914 exhibiting positive phototropism or phototaxis … New Collegiate Dictionary
photopositive — adjective having a positive phototropic or phototactic response; attracted by light Ant: photonegative … Wiktionary
photopositive — adj. increasing conductivity after absorbing electromagnetic radiation (Physics) … English contemporary dictionary
photopositive — adjective 1》 Biology (of an organism) tending to move towards light. 2》 Physics (of a substance) increasing in electrical conductivity under illumination … English new terms dictionary
photopositive — pho·to·positive … English syllables
photopositive — “+ adjective Etymology: phot + positive : exhibiting positive phototropism or phototaxis … Useful english dictionary
Lumbricus rubellus — Taxobox name = Red earthworm image caption = L. rubellus image width = 250px regnum = Animalia phylum = Annelida classis = Clitellata subclassis = Oligochaeta ordo = Haplotaxida familia = Lumbricidae genus = Lumbricus species = L. rubellus… … Wikipedia
photonegative — adjective having a negative phototropic or phototactic response; repelled by light Ant: photopositive … Wiktionary
pigment printing — A photographic printing method, in which a halftone picture results from pigments embedded in gelatin. The primary material is a paper called pigment paper , a paper coated with a mixture of gelatin and pigment. The paper is made light… … Glossary of Art Terms
