Word.ws English Dictionary

sima

sima noun: the upturned edge of a roof which acts as a gutter; a cyma.

Noun (1)

sima (plural simas)

  1. The upturned edge of a roof which acts as a gutter; a cyma.

Noun (2)

sima (uncountable)

  1. The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.

Proper noun capitalized: Sima

Sima (plural Simas)

  1. A surname.

sima meaning in Tamil and Indonesian

sima in Tamil

கற்கோளப் பகுதியிலுள்ள கடுனப்பாறை

sima in Indonesian

lower layer of Earth's outer crust
sima

Forms of sima

Noun
pluralsimas
Proper noun
pluralSimas

Plural of sima: simas

Origin of sima

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).

Words formed from sima

Words that rhyme with sima

Questions about sima

What does sima mean?
Sima means the upturned edge of a roof which acts as a gutter; a cyma.
What is sima in Tamil?
Sima in Tamil is கற்கோளப் பகுதியிலுள்ள கடுனப்பாறை. See Sima meaning in Tamil.
What part of speech is sima?
Sima can be a noun or a proper noun.
What is the plural of sima?
The plural of sima is simas.

Words near sima in the dictionary

  1. SIM swap
  2. SIM swapped
  3. SIM swapping
  4. SIM swaps
  5. sim-com
  6. sima
  7. simagre
  8. simagres
  9. simal
  10. simals
  11. Simandou

Source and license

Adapted from Wiktionary: sima (page history and authors); Sima (page history and authors); sima (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sima.” Word.ws, https://word.ws/sima. Based on Wiktionary, CC BY-SA 4.0.