| 释义 |
photosensitive, a.|fəʊtəʊˈsɛnsɪtɪv|
[f. photo- 1 + sensitive a. and n.]
Responding to light in some way (biologically, chemically, electrically, etc.).
1886Jrnl. R. Microsc. Soc. VI. 596 [In the Elateridæ] the photosensitive reflex action has its seat in the cerebroid ganglia. 1918Science 23 Aug. 199/2 Decomposition of the photosensitive material by light, presupposes the formation of this substance within the sense organ. 1925Jrnl. Chem. Soc. CXXVII. i. 787 (heading) The photosensitive formation of water from its elements in the presence of chlorine. 1957G. E. Hutchinson Treat. Limnol. I. vi. 399 The study of the transmission of light by means of suitably photosensitive instruments. 1967D. G. Hays Introd. Computational Linguistics iv. 68 Another mirror is used to position the beam at the desired place on the photo⁓sensitive stock. 1977‘E. Trevor’ Theta Syndrome v. 64 Mancini was lying down with dark glasses on... He was photo-sensitive.
Hence photoˈsensitiveness (rare), ˌphotosensiˈtivity.
1889R. Mendola Chem. of Photography i. 13 The photo-sensitiveness of ferric compounds has long been known. 1914Physical Rev. IV. 228 The plan..was to observe the time changes in contact potential differences and photosensitiveness of photo-electrically or mechanically treated surfaces. 1918Science 23 Aug. 198/2 (heading) Adaptation in the photosensitivity of Ciona intestinalis. 1939Jrnl. Inst. Electr. Engin. LXXXIV. 473/1 In the normal Emitron the photo-sensitivity is limited to about 12 µA/lumen. 1947New Biol. III. 93 Many other urodeles, i.e., tailed Amphibia, retain their photosensitivity and continue to move away from light after their eyes have been removed. 1961Lancet 26 Aug. 450/2 His clinical photosensitivity showed fluctuations of intensity which corresponded with quantitative changes in his erythrocyte and fæcal porphyrins; hence it seems justifiable to conclude that the porphyrins produced in his body are responsible for his photosensitisation. 1970R. A. & B. M. Maier Compar. Animal Behavior xvii. 365 Photo⁓sensitivity seems to have evolved from a general sensitivity to chemical stimulation. |