spherulite

noun

spher·​u·​lite ˈsfir-yə-ˌlīt 

ˈsfer-,

-ə-ˌlīt

: a usually spherical crystalline body of radiating crystal fibers often found in vitreous volcanic rocks

spherulitic

ˌsfir-yə-ˈli-tik 

ˌsfer-

-ə-ˌli-

adjective

Word History

First Known Use

1823, in the meaning defined above

Medical Definition

spherulite

noun

spher·​u·​lite ˈsfir-yə-ˌlīt  ˈsfer- 

: a usually spherical crystalline body of radiating crystal fibers

spherulitic

ˌsfir-yə-ˈlit-ik  ˌsfer- 

adjective