Definition of rigidifier in US English:

rigidifier

noun

  • A person who or thing which makes something rigid; (Philosophy) a modifying word or expression used to establish a description, predicate, etc., as rigid.

Origin

1960s; earliest use found in U.S. Patents. From rigidify + -er.

Pronunciation

rigidifier

/rɪˈdʒɪdɪfʌɪə/