Definition of spilite in English:

spilite

noun

mass nounGeology
  • An altered form of basalt, rich in albite and commonly amygdaloidal in texture, typical of basaltic lava solidified under water.

    mass noun ‘spilite occurs in pillow lavas’
    count noun ‘the spilites in the Llanelwedd quarry’

Origin

Mid 19th century: from French spillite, from Greek spilos ‘spot, stain’.

Pronunciation

spilite

/ˈspʌɪlʌɪt//ˈspɪlʌɪt/