pretreatv.
/ˌpriːˈtriːt/, U.S. /ˌpriˈtrit/ transitive. To treat beforehand.
ΘΚΠ
the world > action or operation > undertaking > preparation > prepare [verb (transitive)] > prepare for a purpose
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pretreat1926
1926 Appleton (Wisconsin) Post-Crescent 17 Dec. 5/2 It should be pretreated for its oils and coal tar and ammonia, leaving a residue coke just as useful, if not more, than the original coal.
1950 Nucleonics Mar. 48/1 It may be necessary to pretreat and purify the water before using it in the pile.
1993 Brit. Jrnl. Surg. 80 126/1 She was pre-treated with high-dose immunoglobulin.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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v.1926