LAPIDIST
Lap"i*dist, n. Etym: [L. lapis, -idis, a stone.]
Defn: A lapidary. Ray.
LAPILLATION
Lap"il*la"tion, n.Etym: [See Lapilli.]
Defn: The state of being, or the act of making, stony.
LAPILLI La*pil"li, n. pl. Etym: [L. lapillus a little stone, dim. of lapis stone.] (Min.)
Defn: Volcanic ashes, consisting of small, angular, stony fragments or particles.
LAPIS
La"pis, n.; pl. Lapides. Etym: [L.]
Defn: A stone. Lapis calaminaris (. Etym: [NL.] (Min.) Calamine. — Lapis infernalis (. Etym: [L.] Fused nitrate of silver; lunar caustic.
LAPIS LAZULI
La"pis laz"u*li. (Min.)
Defn: An albuminous mineral of a rich blue color. Same as Lazuli, which see.