Definition of spilite in English:

spilite

noun

Geology
  • [mass noun] 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

/ˈspɪlʌɪt//ˈspʌɪlʌɪt/