a white to pale-blue mineral, strontium sulfate, SrSO4, occurring in tabular crystals, the principal ore of strontium.

Nearby words

  1. celestine ii,
  2. celestine iii,
  3. celestine iv,
  4. celestine v,
  5. celestine v, saint,
  6. celia,
  7. celiac,
  8. celiac artery,
  9. celiac disease,
  10. celiac ganglion

Also cel·es·tine [sel-i-stin, -stahyn] /ˈsɛl ɪ stɪn, -ˌstaɪn/.

Origin of celestite

1850–55; celest(ine) celestite (< German Zölestin < Latin coelest(is), variant of caelestis celestial + German -in -in2) + -ite1

Celestine I

[sel-uh-stahyn, si-les-tin, -tahyn]


Saint,died a.d. 432, Italian ecclesiastic: pope 422–432.

Celestine II


Guido di Castello, flourished 12th century, Italian ecclesiastic: pope 1143–44.

Celestine III


Giacinto Bobone, died 1198, Italian ecclesiastic: pope 1191–98.

Celestine IV


Godfrey Castiglione, died 1241, Italian ecclesiastic: pope 1241.

Celestine V


SaintPietro di Murrone or Morone, 1215–96, Italian ascetic: pope 1294.
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British Dictionary definitions for celestine


celestine (ˈsɛlɪstɪn, -ˌstaɪn)


a white, red, or blue mineral consisting of strontium sulphate in orthorhombic crystalline form: a source of strontium compounds. Formula: SrSO 4

Word Origin for celestite

C19: from German Zölestin, from Latin caelestis celestial (referring to the blue colour) + -ite 1

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