Definition of poikiloblastic in English:

poikiloblastic

Syllabification: poi·kil·o·blas·tic
Pronunciation: /ˌpoiˌkēləˈblastik, -ˌkil-
 
/

adjective

Geology
  • Relating to or denoting the texture of a metamorphic rock in which small crystals of an original mineral occur within crystals of its metamorphic product.
    More example sentences
    • In contrast, sample Brot-Ku-Id is a fine-grained, nearly unfoliated paragneiss from a low strain domain, which contains numerous poikiloblastic garnets in a groundmass of biotite, quartz and plagioclase.
    • Under pétrographie investigation, the schist was found to contain large poikiloblastic staurolite grains with a xenoblastic or lepido-granoblastic texture.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody