facula

A bright spot or patch between sunspots.

Noun

  1. A bright spot or patch between sunspots.
    • Glaucous, hoar, enfouldered, cyathiform, / Making mere faculae of the sun and moon […] - c. 1933-1934, Hugh MacDiarmid, On a Raised Beach:

Origin

Etymology tree Latin faculabor. English facula Borrowed from Latin facula (“little torch”).

Forms

faculae

Derived

facular