hardening

Noun
  1. Abnormal hardening or thickening of tissue (synset 114387837)
    is a type of: symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease
    subtypes:
    • callosity, callus - an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)
    • calcification - tissue hardened by deposition of lime salts
  2. The process of becoming hard or solid by cooling or drying or crystallization (synset 113512263)
    "the hardening of concrete"; "he tested the set of the glue"
    is a type of: action, activity, natural action, natural process - a process existing in or produced by nature (rather than by the intent of human beings)
    subtypes: congealment, congelation - the process of congealing; solidification by (or as if by) freezing
    is a part of: plastination - a process involving fixation and dehydration and forced impregnation and hardening of biological tissues; water and lipids are replaced by curable polymers (silicone or epoxy or polyester) that are subsequently hardened
    same as: curing, set, solidification, solidifying
  3. The act of making something harder (firmer or tighter or more compact) (synset 100403597)
    is a type of: change of integrity - the act of changing the unity or wholeness of something
    subtypes: annealing, tempering - hardening something by heat treatment

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