botryoidal

English

Pronunciation
  • (UK) IPA(key): /ˌbɒt.ɹiˈɔɪ.dəl/
  • (US) IPA(key): /ˌbɑt.ɹiˈɔɪ.dəl/
  • Audio(file)
  • Rhymes: -ɔɪdəl

Adjective

botryoidal (comparative more botryoidal, superlative most botryoidal)

  1. (chiefly mineralogy) Having the form of a bunch of grapes.
    • 1799, William Babington, “[Class III. Metals. Order II. Fragile. Genus IV. Cobalt.] Species II. Native Oxyde of Cobalt.”, in A New System of Mineralogy, in the Form of a Catalogue, after the Manner of Baron Born’s Systematic Catalogue of the Collection of Fossils of Mlle. Élénore de Raab, London: […] T[homas] Bensley, […]; and sold by W. Phillips, […]; G. G. and J. Robinsons, […]; and T. Cox, […], →OCLC, page 232:
      The oxyde of cobalt, […] is found either ſuperficial, interſperſed, or in lumps; ſometimes botryoidal or reniform or bearing particular impreſſions.
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