- a microconstituent of hardened and tempered steel, consisting of a very fine aggregate of ferrite and cementite.
Origin of troostite
1900–05; named after L. J. Troost (died 1911), French chemist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a reddish or greyish mineral that is a variety of willemite in which some of the zinc is replaced by manganese
C19: named after Gerard Troost (died 1850), US geologist