post-exposureadj.adv.
/ˌpəʊstᵻkˈspəʊʒə/, U.S. /ˌpoʊstᵻkˈspoʊʒər/, /ˌpoʊstɛkˈspoʊʒər/ A. adj.
1. Of or relating to the time (immediately) after exposure to a process, experience, disease, etc.; occurring, experienced, or administered after exposure.
ΚΠ
1906 Jrnl. Philos., Psychol. & Sci. Methods 3 382 An adequate tachistoscopic exposure depends..upon the character of the preexposure and postexposure fields.
1947 A. Rothstein & E. J. Towbin in E. F. Adolph et al. Physiol. of Man in Desert 183 Postexposure determinations on dehydrated men show a distinct trend toward reduced stroke volume and elevated pulse rate.
1962 Science 19 Oct. 444/3 Heron..hypothesized the existence of a post-exposure, sequential reading of persisting physiological traces.
1970 Times 3 Mar. 2/5 There are two preparations..for treating rabies: a living modified vaccine..for vaccination before exposure and an inactivated vaccine..used for post-exposure vaccination in man.
1973 Jrnl. Genetic Psychol. Sept. 146 A postexposure test revealed that the model-rewarded group imitated more different classes of responses.
2001 N. Jones Rough Guide Trav. Health i. 19 If you're bitten by a rabid animal, you will still require some degree of post-exposure treatment.
2. Photography. Occurring after exposure of photographic film or plate.
ΚΠ
1947 Astrophysical Jrnl. 106 366 Sky fog may greatly affect the results of a comparison through pre-exposure and postexposure effects if both exposures are made on one area of the plate.
1950 E. W. H. Selwyn Photogr. in Astron. v. 77 If..there is an interval of, say, one hour between the two exposures, a wait of 12 or 24 hours before development will enable the postexposure latent image changes to settle down to near equality.
1991 Sci. News 18 May 307/1 Pre- or post-exposure ‘fogging’ by a short-duration, low-level, even illumination increases the size of the latent image clusters.
2000 Laser Focus World (Nexis) 1 Feb. 11 A comparison of the sensitivity of doped and undoped emulsions—after a postexposure delay of 20 minutes—showed that a factor of 10 fewer photons is required to develop half the population of silver halide grains in doped versus undoped film.
B. adv.
After the time of exposure.
ΚΠ
1963 A. J. Solari in G. G. Mastin Fallout Shelter Anal. Course (Univ. of Michigan) 183 Radiation injury is repaired at the rate of 2.5 percent of the remaining injury per day... This rate of recovery reduces the repairable damage to zero by the end of four months postexposure.
1973 Public Opinion Q. 37 341 The source effect results from the increase, immediately post-exposure, to seventyfour.
1995 R. M. Abrams et al. in J.-P. Lecanuet et al. Fetal Devel. xvii. 328 In addition, ABR thresholds were elevated following the noise exposure, and returned to nearly preexposure levels by 24-48 hr postexposure.
Compounds
post-exposure prophylaxis n. Medicine preventative treatment given after exposure to an infectious agent.
ΚΠ
1972 Transfusion 12 389 (title) Fragmented IgG for post-exposure prophylaxis of type A hepatitis.
2002 Dental Pract. 1 Apr. 10/4 Dosing schedule for post-exposure prophylaxis against HIV.
This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022).
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adj.adv.1906