verb

impregnate

To fill or permeate something with a substance.

Manufacturers impregnate the wood with resin to make it stronger.

Etymology

The Latin verb means to make pregnant. The material sense transfers the idea of being filled or charged with something to a substance permeating another material.

More examples

  • The filter is impregnated with carbon to trap odors.
  • Workers impregnate the fabric with wax to repel water.
  • This process impregnates the concrete with a protective sealant.

Forms

impregnate · impregnates · impregnated · impregnating

impregnation noun — The process of permeating material with substances.

Similar words

saturate
Suggests filling a material completely, often until thoroughly soaked.
permeate
Emphasizes spreading throughout a material, rather than treating it.