aphotic

aphotic
aphotic (adj.) "untouched by sunlight, lightless" (in reference to deep-sea regions), 1903, Modern Latin, from Gk. a- "not, without" (see A- (Cf. a-) (3)) + phos (gen. photos) "light," related to phainein "to show, to bring to light" (see PHANTASM (Cf. phantasm)) + -IC (Cf. -ic). Aphotic zone is recorded from 1913.

Etymology dictionary. 2014.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • aphotic — [ā fōt′ik] adj. [ A 2 + PHOTIC] without light; specif., pertaining to that part (aphotic zone) of the ocean below a depth of c. 100 m ( c. 328 ft) which does not receive sufficient sunlight for photosynthesis: see EUPHOTIC …   English World dictionary

  • Aphotic — A*pho tic ([.a]*f[=o] t[i^]k), a. [Gr. a fws, a fwtos.] Without light. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • aphotic — /əˈfɒtɪk/ (say uh fotik) adjective 1. without light. 2. of or relating to a plant growing in the aphotic region. {a 6 + photic} …  

  • aphotic — adjective lacking light; especially not reached by sunlight the aphotic depths of the sea where no photosynthesis occurs • Similar to: ↑dark …   Useful english dictionary

  • Aphotic region — (Phytogeog.) A depth of water so great that only those organisms can exist that do not assimilate. [Webster 1913 Suppl.] || …   The Collaborative International Dictionary of English

  • Aphotic zone — The aphotic zone (aphotic from Greek prefix polytonic|ἀ + polytonic|φῶς without light ) is the portion of a lake or ocean where there is little or no sunlight. It is formally defined as the depths beyond which less than 1% of sunlight penetrates …   Wikipedia

  • aphotic zone — afotinė zona statusas T sritis ekologija ir aplinkotyra apibrėžtis Neapšviestas vandens sluoksnis, kuriame negalima efektyvi fotosintezė. atitikmenys: angl. aphotic zone vok. aphotische Tiefenstufe, f rus. афотическая зона, f; лишенная света зона …   Ekologijos terminų aiškinamasis žodynas

  • aphotic — adjective Date: circa 1900 being the deep zone of an ocean or lake receiving too little light to permit photosynthesis …   New Collegiate Dictionary

  • aphotic — areas never reached by natural light in the deep ocean (deeper than about 800 metres). No photosynthesis occurs …   Dictionary of ichthyology

  • aphotic — /ay foh tik/, adj. lightless; dark. [1900 05; A 6 + PHOTIC] * * * …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”