pressure-treatedadj.
/ˈprɛʃəˌtriːtᵻd/, U.S. /ˈprɛʃərˌtridᵻd/ 1. Of timber: impregnated with a preservative applied under pressure.
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society > occupation and work > materials > raw material > wood > [adjective] > preserved
Powellized1903
pressure-treated1928
solignumed1932
tanalized1964
1928 Iowa Recorder 12 Sept. 5/2 $5 buys a twelve foot pressure treated hog trough that will last you a ‘lifetime’.
1960 Farmer & Stockbreeder 2 Feb. (Suppl.) 9/1 Concrete stanchions and pressure-treated timber trusses and purlins.
1995 Canad. Living June 48/2 The lower cost and availability of pressure-treated lumber has made it popular for deck construction.
2. Biology. Of cells, organisms, etc.: deliberately subjected to increased pressure.
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the world > life > biology > laboratory analysis > processes > [adjective] > pressure-treatment
pressure-treated1936
1936 Jrnl. Cellular & Compar. Physiol. 8 159 The Amoebae are placed in a centrifuge-pressure chamber which is so designed that the control and pressure-treated specimens are simultaneously centrifuged for a suitable period.
1970 S. B. & A. M. Zimmerman in A. M. Zimmerman High Pressure Effects on Cellular Processes viii. 187 The pressure-treated cells revealed a loss of Golgi complex and pinocytotic channels.
1993 Biosci., Biotechnol. & Biochem. 57 383 Myosin solution did not form a gel by pressurization alone, though pressure-treated myosin formed a gel upon following heating.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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adj.1928