hardener

Definitions

General Science

  • noun a substance that causes another to become hard by chemical reaction

Cars & Driving

  • noun a substance added (as to a paint or varnish) to harden the film

Construction

  • Any of several chemicals serving to reduce wear and dusting when applied to concrete sustaining heavy traffic, such as a floor.
  • The curing agent of a two-part synthetic resin, adhesive, or similar coating.
  • A substance used to harden plaster casts or gelatin molds.
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