, -·tized·, -·tiz·ing
to change into a colloid, usually through the action of an added chemical; esp., to change (a gel) into a sol
Origin of peptize; from peptone + -ize
transitive verbpep·tized, pep·tiz·ing, pep·tiz·es
To disperse (a precipitate) to form a colloid.
Origin of peptizeGreek peptein, to digest; see pekw- in Indo-European roots + –ize.
(third-person singular simple present peptizes, present participle peptizing, simple past and past participle peptized)
- To disperse in a medium so as to form a colloidal solution.
- Alphaltenes have a tendency to aggregate and flocculate, but resins contained in the crude oil peptize them and keep them in solution.