glauconite

[ glaw-kuh-nahyt ]
/ ˈglɔ kəˌnaɪt /
|

noun

a greenish micaceous mineral consisting essentially of a hydrous silicate of potassium, aluminum, and iron and occurring in greensand, clays, etc.

Nearby words

  1. glaucoma,
  2. glaucomatous,
  3. glaucomatous cataract,
  4. glaucomatous cup,
  5. glaucomatous halo,
  6. glauconitic,
  7. glaucophane,
  8. glaucous,
  9. glaucous gull,
  10. glaucously

Origin of glauconite

1830–40; < Greek glaukón, neuter of glaukós (see glauco-) + -ite1

Related formsglau·co·nit·ic [glaw-kuh-nit-ik] /ˌglɔ kəˈnɪt ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for glauconitic



British Dictionary definitions for glauconitic

glauconite

/ (ˈɡlɔːkəˌnaɪt) /

noun

a green mineral consisting of the hydrated silicate of iron, potassium, aluminium, and magnesium: found in greensand and other similar rocks. Formula: (K,Na,Ca) 0.5-1 (Fe,Al,Mg) 2 (Si,Al) 4 O 10 (OH) 2 .nH 2 O
Derived Formsglauconitic (ˌɡlɔːkəˈnɪtɪk), adjective

Word Origin for glauconite

C19: from Greek glaukon, neuter of glaukos bluish-green + -ite 1; see glaucous

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012