† extenuityn.
Etymology: < extenu- (in extenuate v.) after tenuity n.
Obsolete.
rare.
the world > space > extension in space > measurable spatial extent > thickness > thinness > [noun] > fineness
1601 P. Holland tr. Pliny II. xxxv. x. 535 Making up the pourfils and extenuities of his lineaments [L. argutias voltus].
This entry has not yet been fully updated (first published 1894; most recently modified version published online June 2021).