pearl hardening
noun
A preparation of gypsum used to improve the quality of paper.
Origin
Late 19th century.
- Anthony, St
- Anthony, Susan B.
- anthophilous
- Anthozoa
- anthozoan
- anthracene
- anthracite
- anthracnose
- anthranilate
- anthranilic acid
- anthraquinone
- anthrax
- anthropically
- anthropic principle
- anthropo-
- Anthropocene
- anthropocentric
- anthropocentrically
- anthropocentricity
- anthropocentrism
- anthropogenic
- anthropogenically
- anthropogeny
- anthropoid
- anthropoidal