say it: im-PREG-nay-shuhn
impregnation is a noun meaning "material with which something is impregnated". It carries 3 recorded senses.
material with which something is impregnated
“the impregnation, whatever it was, had turned the rock blue”
the process of totally saturating something with a substance
“the impregnation of wood with preservative”
“the saturation of cotton with ether”
creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for impregnation come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.