precompressionn.
/ˌpriːkəmˈprɛʃn/, U.S. /ˌprikəmˈprɛʃ(ə)n/ Compression prior to some other treatment or process; (Building) the compressive force exerted in prestressed concrete by the reinforcing rods.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > concrete > [noun] > compressive force in prestressed concrete
precompression1932
1932 Proc. Royal Soc. A. 138 112 If the pre-compression of the pellet is increased greatly a decrease in the sensitiveness is observed as the density increases.
1946 Concrete & Constructional Engin. 41 191 In a cracked section of a prestressed member, the precompression is either reduced or totally annulled.
1974 Lin & Zia in B. Bresler Reinforced Concrete Engin. I. vi. 303 Prestressing imparts a precompression to a concrete member in its tension zone so as to increase its cracking resistance.
1996 WEBTechniques Dec. 67/3 To bring out repetitions and other patterns in image data, PNG uses internal ‘precompression’ filters that do not affect the image-data integrity, but translate the data into a form that maximizes its compressibility.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1932