from The Century Dictionary.

  • To make thick or thicker; thicken; specifically, in pharmacy, to make thicker, as a fluid, by the mixture of something less fluid, or by evaporating the more fluid parts.
  • To become thick or thicker.
  • Thickened, or made thick or thicker; inspissated; fattened; swollen from fatness.
  • In botany, becoming thicker by degrees; swelling or swollen.
  • In entomology, gradually swollen in one part, generally toward the apex.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To become thick or thicker.
  • transitive verb To make thick or thicker; to thicken; especially, in pharmacy, to thicken (a liquid) by the mixture of another substance, or by evaporating the thinner parts.
  • adjective Made thick or thicker; thickened; inspissated.
  • adjective (Bot.) Thickened; becoming thicker.
  • adjective (Zoöl.) Swelled out on some particular part, as the antennæ of certain insects.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb To thicken, condense.
  • adjective botany, zoology Made thick or thicker; swelled out at some particular part, like the antennae of certain insects.


from Wiktionary, Creative Commons Attribution/Share-Alike License

From the participle stem of Latin incrassare, from in- + crassare ‘make thick’, from crassus.



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  • To thicken;inspissate;esp Phar. to thicken (a liquid) by admixture of another substance,or by evaporating

    November 5, 2007