Defn: A mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash. It is found in the volcanic rocks of Italy, especially at Vesuvius.
2. (Bot.)
Defn: A leucoplast.
LEUCITIC
Leu*cit"ic, a. (Min.)
Defn: Containing leucite; as, leucitic rocks.
LEUCITOID
Leu"ci*toid, n. Etym: [Leucite + -oid.] (Crystallog.)
Defn: The trapezohedron or tetragonal trisoctahedron; — so called as being the form of the mineral leucite.
LEUCO-; LEUC-
Leu"co-, Leuc-.Etym: [Gr.
Defn: A combining form signifying white, colorless; specif. (Chem.), denoting an extensive series of colorless organic compounds, obtained by reduction from certain other colored compounds; as, leucaniline, leucaurin, etc.
LEUCOCYTE
Leu"co*cyte, n. Etym: [Leuco- + Cr. (Physiol.)