Meaning
A mixed calcium and titanium neosilicate, CaTiSiO₅, once known as sphene.
Etymology
Origin: Latin
Cf. F. titanite; -- so called from containing titanic acid
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2020, 2021, 2022, 2023, 2024, 2025, 2026.