Word.ws English Dictionary

tholeiite

/ˈθoʊ.li.aɪt/UK/ˈθəʊ.lɪ.ʌɪt/

tholeiite noun: an igneous basaltic rock, formed from magma rich in magnesium and iron.

Noun

tholeiite (plural tholeiites)

  1. An igneous basaltic rock, formed from magma rich in magnesium and iron.
    • Correctly speaking, Hawaiian basalt is not just basalt, but is a special variety enriched in silica known as tholeiite.2004, Richard Fortey, The Earth, Folio Society, published 2011, page 51n

Forms of tholeiite

pluraltholeiites

Origin of tholeiite

From German Tholeiit, from Tholei (“a village in western Germany”).

Words formed from tholeiite

Questions about tholeiite

What does tholeiite mean?
Tholeiite means an igneous basaltic rock, formed from magma rich in magnesium and iron.
What part of speech is tholeiite?
Tholeiite is a noun.
How do you pronounce tholeiite?
Tholeiite is pronounced /ˈθoʊ.li.aɪt/.
What is the plural of tholeiite?
The plural of tholeiite is tholeiites.

Words near tholeiite in the dictionary

  1. thold
  2. thole
  3. thole pin
  4. thole pins
  5. tholed
  6. tholeiite
  7. tholeiites
  8. tholeiitic
  9. tholemod
  10. Tholen
  11. Tholens

Source and license

Adapted from Wiktionary: tholeiite (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: “tholeiite.” Word.ws, https://word.ws/tholeiite. Based on Wiktionary, CC BY-SA 4.0.