lapillus
lapillus noun. [lǝ'pɪlǝs] Pl. -lli [-lʌɪ].
Irregular Forms: (pl) lapilli
سنگ کوچک آتشفشانی، سنگ کوچک
lapillus noun.
[lǝ'pɪlǝs] Pl. -lli
[-lʌɪ].
M18.[Latin, dim. of lapis stone; in pl. also from Italian lapilli, pl. of lapillo.]Orig., a small stone or pebble. Now (
Geology), a fragment of rock or lava ejected from a volcano,
spec. one between 2 and 64 mm in size. Usu. in
pl. [TahlilGaran] English Dictionary ▲