photic

[ foh-tik ]

/ ˈfoʊ tɪk /

adjective

of or relating to light.

pertaining to the generation of light by organisms, or their excitation by means of light.

Origin of photic

1835–45; <Greek phōt- (see phot) + -ic

Words nearby photic

phosphureted, phossy jaw, Phosvel, phot, photalgia, photic, photics, photic zone, photinia, photism, Photius

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for photic

In these cases the photic stimulus produces partly chemical and partly mechanical changes.
The Wonders of Life|Ernst Haeckel
The screen was set up as it had been in the other building, and everything was made ready for the operations of the photic borer.
The Great Stone of Sardis|Frank R. Stockton
The after-effects of photic and mechanical stimulation are similar.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
I shall describe a device which gives a continuous record of photic variation for the whole day.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose

As might well be supposed, this work with the "photic borer," as Clewe now called his instrument, was of absorbing interest.
The Great Stone of Sardis|Frank R. Stockton

British Dictionary definitions for photic

photic

/ (ˈfəʊtɪk) /

adjective

of or concerned with light

biology of or relating to the production of light by organisms

Also: photobathic designating the zone of the sea where photosynthesis takes place

Word Origin for photic

C19: from photo- + -ic

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for photic

photic

[ fō′tĭk ]

adj.

Of or relating to light.

Penetrated by or receiving light.

Designating or relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis.

Scientific definitions for photic

photic

[ fō′tĭk ]

Of or relating to light.

Penetrated by or receiving light.

Relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis. The depth of the photic zone is dependent on the clarity of the water and the amount and intensity of direct sunlight, although it does not usually exceed 200 m. Also called euphotic Compare aphotic.

单词	photic
释义	photic [ foh-tik ] / ˈfoʊ tɪk / adjective of or relating to light. pertaining to the generation of light by organisms, or their excitation by means of light. Origin of photic 1835–45; <Greek phōt- (see phot) + -ic Words nearby photic phosphureted, phossy jaw, Phosvel, phot, photalgia, photic, photics, photic zone, photinia, photism, Photius Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for photic In these cases the photic stimulus produces partly chemical and partly mechanical changes. The Wonders of Life\|Ernst Haeckel The screen was set up as it had been in the other building, and everything was made ready for the operations of the photic borer. The Great Stone of Sardis\|Frank R. Stockton The after-effects of photic and mechanical stimulation are similar. Life Movements in Plants, Volume II, 1919\|Sir Jagadis Chunder Bose I shall describe a device which gives a continuous record of photic variation for the whole day. Life Movements in Plants, Volume II, 1919\|Sir Jagadis Chunder Bose As might well be supposed, this work with the "photic borer," as Clewe now called his instrument, was of absorbing interest. The Great Stone of Sardis\|Frank R. Stockton British Dictionary definitions for photic photic / (ˈfəʊtɪk) / adjective of or concerned with light biology of or relating to the production of light by organisms Also: photobathic designating the zone of the sea where photosynthesis takes place Word Origin for photic C19: from photo- + -ic Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for photic photic [ fō′tĭk ] adj. Of or relating to light. Penetrated by or receiving light. Designating or relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for photic photic [ fō′tĭk ] Of or relating to light. Penetrated by or receiving light. Relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis. The depth of the photic zone is dependent on the clarity of the water and the amount and intensity of direct sunlight, although it does not usually exceed 200 m. Also called euphotic Compare aphotic. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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