post-treatmentn.adj.adv.
/ˌpəʊs(t)ˈtriːtm(ə)nt/, U.S. /ˌpoʊs(t)ˈtritm(ə)nt/ A. n.
Treatment carried out after some earlier action or process has been completed.
ΘΚΠ
the world > action or operation > doing > [noun] > subsequent
after-action1736
post-treatment1923
the world > life > biology > laboratory analysis > processes > [noun] > others
inoculation1802
plethysmography1890
auxanography1905
subpassage1907
ultrafiltration1908
enucleation1909
turbidimetry1920
microinjection1921
post-treatment1923
microincineration1924
plasmal reaction1925
bursectomy1928
priming1943
superinfection1947
bioengineering1950
superfusion1953
hybridization1961
sham operation1963
transfection1964
transdetermination1965
perifusion1969
zeugmatography1973
1923 Times 21 Feb. 21/7 Post-treatment of the sands was now in operation.
1962 Radiation Bot. 1 132/2 Immediate ultraviolet post-treatments at 2967 Å..completely overcame 1 kr X-ray depression of embryo viability.
1967 E. Chambers Photolitho-offset xiii. 198 It is used mainly as a ‘post treatment’ after developing and before etching.
1972 Gloss. Terms Timber (B.S.I.) 25 Post-treatment, preservative treatment of ordinary plywood after it has been made.
1998 Asbury Park Press (Neptune, New Jersey) (Nexis) 31 Mar. c3 An infectious disease specialist..will recommend specific pre- and post-treatments to help prevent a recurrence.
B. adj. (and adv.)
Existing, arising, or occurring after treatment. Also as adv.
ΘΚΠ
the world > health and disease > healing > medical treatment > [adjective] > before or after treatment
pretreatment1912
post-treatment1927
1927 Proc. Royal Soc. B. 101 448 The post-treatment intervals averaged 4·12 ∓ 0·160.
1948 Amer. Jrnl. Sociol. 54 147/1 With decreases in posttreatment recidivism as the criteria for change, increased reformation would be secured through abandonment of useless treatment techniques.
1972 Jrnl. Social Psychol. 86 84 Any differences in posttreatment attitude can therefore be attributed to the effects of the experimental treatment.
1993 Brit. Jrnl. Orthodontics 20 30/1 The mean pretreatment score for all the departments was 28.8; the mean post-treatment score was 8.27, resulting in a mean percentage change of 67.62.
2003 Time Out N.Y. 27 Feb. 18/3 Posttreatment, your limbs are supple and smooth.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.adj.adv.1923