photokinesisn.

Brit.

/ˌfəʊtəʊkᵻˈniːsɪs/,

/ˌfəʊtəʊkʌɪˈniːsɪs/, U.S.

/ˈˌfoʊdoʊkəˈnisᵻs/,

/ˈˌfoʊdoʊˌkaɪˈnisᵻs/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: photo- comb. form, kinesis n.

Etymology: < photo- comb. form + kinesis n., after German Photokinese (T. W. Engelmann 1883, in Archiv f. ges. Physiol. 30 95). Compare slightly earlier photokinetic adj.

Biology.

Change in the degree of activity of an organism in response to light; a light-induced kinesis.

ΘΚΠ

the world > life > biology > biological processes > movement > movement in response to stimuli > [noun] > response to light

phototaxis1893

photopathy1897

heliotaxis1898

phototropism1899

photokinesis1905

photonegativity1921

photostability1926

photophily1934

1905 Jrnl. Compar. Neurol. 15 139 Kinesis is a term which seems to have been first used by Engelmann for the increase or decrease of activity produced by certain agencies. The fact that certain bacteria increase or decrease movement in the light he called photokinesis.

1940 Jrnl. Compar. Psychol. 29 448 Photokinesis (the activating effect of light) is particularly a function of the visual receptor. This characteristic accounts for the excitation of the ants at daybreak.

1967 Oceanogr. & Marine Biol. 5 361 Aggregation [of polyzoan larvae] in a shaded area may..perhaps best be explained in terms of low photokinesis.

2001 Biol. Bull. 201 324/1 Photokinesis, one of the most tangible aspects of sponge larval behavior, is best known from studies on parenchymellae larvae of demosponges.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	photokinesis
释义	photokinesisn. Brit. /ˌfəʊtəʊkᵻˈniːsɪs/, /ˌfəʊtəʊkʌɪˈniːsɪs/, U.S. /ˈˌfoʊdoʊkəˈnisᵻs/, /ˈˌfoʊdoʊˌkaɪˈnisᵻs/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: photo- comb. form, kinesis n. Etymology: < photo- comb. form + kinesis n., after German Photokinese (T. W. Engelmann 1883, in Archiv f. ges. Physiol. 30 95). Compare slightly earlier photokinetic adj. Biology. Change in the degree of activity of an organism in response to light; a light-induced kinesis. ΘΚΠ the world > life > biology > biological processes > movement > movement in response to stimuli > [noun] > response to light phototaxis1893 photopathy1897 heliotaxis1898 phototropism1899 photokinesis1905 photonegativity1921 photostability1926 photophily1934 1905 Jrnl. Compar. Neurol. 15 139 Kinesis is a term which seems to have been first used by Engelmann for the increase or decrease of activity produced by certain agencies. The fact that certain bacteria increase or decrease movement in the light he called photokinesis. 1940 Jrnl. Compar. Psychol. 29 448 Photokinesis (the activating effect of light) is particularly a function of the visual receptor. This characteristic accounts for the excitation of the ants at daybreak. 1967 Oceanogr. & Marine Biol. 5 361 Aggregation [of polyzoan larvae] in a shaded area may..perhaps best be explained in terms of low photokinesis. 2001 Biol. Bull. 201 324/1 Photokinesis, one of the most tangible aspects of sponge larval behavior, is best known from studies on parenchymellae larvae of demosponges. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1905
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