verb (used with or without object), in·spis·sat·ed, in·spis·sat·ing.

to thicken, as by evaporation; make or become dense.

Origin of inspissate

1620–30; < Late Latin inspissātus past participle of inspissāre to thicken, equivalent to Latin in- in-2 + spissā(re) to thicken (derivative of spissus thick) + -tus past participle suffix
Related formsin·spis·sa·tion, nounin·spis·sa·tor, nounnon·in·spis·sat·ing, adjectiveun·in·spis·sat·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for inspissate



archaic to thicken, as by evaporation
Derived Formsinspissation, nouninspissator, noun

Word Origin for inspissate

C17: from Late Latin inspissātus thickened, from Latin spissāre to thicken, from spissus thick
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for inspissate

1620s, from Late Latin inspissatus, past participle of inspissare, from in- + spissare "to thicken," related to spissus "thick" (see spissitude). Related: Inspissated; inspissating.

Online Etymology Dictionary, © 2010 Douglas Harper

inspissate in Medicine


[ĭn-spĭsāt′, ĭnspĭ-sāt′]


To undergo thickening or cause to thicken, as by evaporation or the absorption of fluid.
Related formsin′spis•sation n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.