Definition of spherulite in English:

Share this entry


Pronunciation: /ˈsfi(ə)r(y)əˌlīt/ /ˈsfer-/


chiefly Geology
A small spheroidal mass of crystals (especially of a mineral) grouped radially around a point.
Example sentences
  • Although they lack the fibrous, radiating crystals that conform to the traditional definition of a spherulite, their cores show a crystal size and density somewhat higher than that of the surrounding rhyolite shell.
  • In the absence of salt, the spherulite kinetic assay suggests the presence of spherulites from ~ 40 to 45 min.
  • Under the polarized light microscope, addition of a full waveplate to the optical set-up showed that spherulites grown in the absence or presence of salt contain radially oriented amyloid fibrils.



Pronunciation: /ˌsfi(ə)r(y)əˈlitik/ /ˌsfer-/
Example sentences
  • Their study of whole-rock chemistry has shown somewhat higher silica contents of the spherulitic structures as compared to the host rhyolite glass.
  • They typically grow in two-dimensional fanlike and spherulitic arrays.
  • Besides, the aragonitic shell is made up of two oriented layers: an irregular spherulitic prismatic layer and a fine complex crossed lamellar layer.


Early 19th century: from spherule + -ite1.

For editors and proofreaders

Syllabification: spher·u·lite

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.