sima
noun, proper noun
Also a form of cyma
Forms simas
- noun (architecture) The upturned edge of a roof which acts as a gutter; a cyma.
- noun (geology) The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.
- proper noun A surname.
Etymology
From the Ancient Greek σιμός (simós, “bent upwards”).
Coined by Eduard Suess in 1909, in Das Antlitz der Erde, as a blend of silicon + magnesium.
Borrowed from Chinese 司馬 /司马 (sīmǎ).
Webster’s 1913
- noun A cyma.
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “sima”, CC BY-SA 4.0. Details