troughingn.
/ˈtrɒfɪŋ//ˈtrɔːfɪŋ/ Troughs collectively; provision of troughs; a set or system of troughs.
ΘΚΠ
society > occupation and work > equipment > receptacle or container > vessel > open vessels for liquids > [noun] > trough > collectively
troughing1825
1825 ‘J. Nicholson’ Operative Mechanic 85 The openings in the bottom of the troughing should be of iron.
1904 Daily Chron. 31 Dec. 6/7 On the walls of the tunnels 153 miles of troughing have been fixed to carry the cables.
This entry has not yet been fully updated (first published 1915; most recently modified version published online December 2018).
> as lemmas
troughing
troughing n. and adj. /ˈtrɒfɪŋ//-ɔː-/
/ˈtrɒfɪŋ//-ɔː-/ΘΚΠ
the world > space > shape > unevenness > condition or fact of receding > [adjective] > of or relating to a groove > making grooves
furrowing1611
troughing1897
1897 Daily News 31 Dec. 2/1 A rather lumbering looking ‘troughing’ machine automatically scours the edges with emery until the embryo sword-bayonet will just fit in flat into a gauge or ‘trough’.
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n.1825as lemmas