The Collaborative International Dictionary
Lentor
Lentor \Len"tor\ (-t[o^]r), n. [L., fr. lentus pliant, tough, slow. See Lent, a.]
Tenacity; viscidity, as of fluids.
Slowness; delay; sluggishness.
--Arbuthnot.
Wiktionary
lentor
alt. 1 slowness, sluggishness 2 (context obsolete physics English) viscosity n. 1 slowness, sluggishness 2 (context obsolete physics English) viscosity