WordReference Random House Unabridged Dictionary of American English © 2026
troost•ite
(tro̅o̅′stīt),USA pronunciation n.
troost•it•ic
(tro̅o̅ stit′ik),USA pronunciation adj.
- Metallurgya microconstituent of hardened and tempered steel, consisting of a very fine aggregate of ferrite and cementite.
- see -ite1 1900–05; named after Latin. J. Troost (died 1911), French chemist