valvingn.
/ˈvalvɪŋ/ (a) A system or arrangement of valves; valves collectively. (b) Opening and shutting in the manner of a valve; valve-like operation.
ΘΚΠ
the world > space > relative position > condition of being open or not closed > [noun] > action or process of opening > opening and closing like a valve
valving1948
the world > space > relative position > closed or shut condition > [noun] > closing or shutting > closing and opening like a valve
valving1948
society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > valve > collectively
valving1948
1948 Chem. Industries Feb. 222/1 (heading) Valving CC's.
1957 Petroleum Engineer Oct. c. 66 (heading) Valving critical in elaborate distribution system.
1968 Jrnl. Dental Res. 47 1013/2 Physiologic and temporal features of oral and palatopharyngeal valving were correlated with velocity and volume of oral-nasal flow, and intraoral air pressure.
1973 Sci. Amer. Dec. 143/1 [A giraffe's] elevated brain is supplied with oxygen by blood vessels that manage a lot of valving and pumping.
1978 Sci. Amer. May 38/1 The valving [of the Newcomen steam engine] was automatic from a very early stage.
1981 Jrnl. Air Pollution Control Assoc. 31 377 Thermal mass flowmeters, with microprocessor controlled flow and automatic valving, supply variable levels of concentrated odorant and clean dilution air to a static mixing device.
This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2018).
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n.1948