pre-exposev.
/ˌpriːᵻkˈspəʊz/, /ˌpriːɛkˈspəʊz/, U.S. /ˌpriɪkˈspoʊz/, /ˌpriɛkˈspoʊz/ 1. transitive. To expose to something beforehand or in advance.
ΚΠ
1817 J. Bentham Plan Parl. Reform Introd. 326 Brought out, pre-exposed to a damping atmosphere, and thus rendered unfit for use.
1931 Amer. Jrnl. Psychol. 43 276 Any extraneous means of preëxposing the eye to light of the desired intensity.
1965 Sociometry 28 44 Intrinsically threatening defenses (which..pre-expose the believer to the attacking arguments in weakened form) confer more resistance to later persuasive attacks.
1992 Behavioural Pharmacol. 3 50/1 (title) Hyperactivity induced by systemic or intra-VTA morphine injections in rats preexposed to amphetamine.
2. transitive. Photography. To give a pre-exposure to (a film, plate, etc.).
ΘΚΠ
society > leisure > the arts > visual arts > photography > treatment of plates, films, or paper > [verb (transitive)]
mercurialize1843
actinize1844
albumenize1850
sensitize1851
wax1853
develop1859
sensibilize1860
organify1873
back1878
salt1878
excite1879
talc1888
alum1889
bleach1889
fume1890
orthochromatize1890
flash1903
pre-expose1925
hypersensitize1954
panchromatize1960
1925 Science 24 July 87/1 A plate was preexposed, cut and the quarters inserted behind glass screens with holes bored through them.
1953 Adv. Electronics 5 76 In order to achieve high detectivity with photographic materials, it is necessary to pre-expose the negative uniformly in order to overcome the inertia of the material.
1979 SLR Camera June 73/2 The only trouble with pre-exposing the shadows in this way is that they tend to lose density in the print.
1989 R. Dryer & G. Lata Exper. Biochem. i. iii. 56 One can preexpose a sheet of film to very faint sources of light.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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