n. [ Gr. &unr_; must + -meter: cf. F. gleucomètre. ] An instrument for measuring the specific gravity and ascertaining the quantity of sugar contained in must. [ 1913 Webster ]

{ } pref. [ Gr. leyko`s white. ] 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. [ 1913 Webster ]

n. [ Leuco- + Gr. ky`tos a hollow vessel. ] (Physiol.) A colorless corpuscle, as one of the white blood corpuscles, or those found in lymph, marrow of bone, connective tissue, etc. [ 1913 Webster ]

☞ They all consist of more or less spherical masses of protoplasm, without any surrounding membrane or wall, and are capable of motion. [ 1913 Webster ]

{ ‖‖ } n. [ NL., fr. Gr. leyko`s white + ky`tos a hollow vessel + a"i^ma blood.] (Med.) Same as leukemia. [1913 Webster]

n. [ Leucocyte + genesis. ] (Physiol.) The formation of leucocytes. [ 1913 Webster ]

a. [ Leuco- + Ethiopic. ] White and black; -- said of a white animal of a black species, or the albino of the negro race. [ 1913 Webster ]

n. [ Leuco- + Aethiops. ] An albino. [ Also written leucœthiops. ] [ 1913 Webster ]

n. [ Leuc- + L. oleum oil. ] (Chem.) A nitrogenous organic base from coal tar, and identical with quinoline. Cf. Quinoline. [ 1913 Webster ]

‖n. [ NL., fr. Gr. ley`kwma, fr. leyko`s white. ] (Med.) A white opacity in the cornea of the eye; -- called also albugo. [ 1913 Webster ]

n. [ Leuco- + -maine, as in ptomaine. ] (Physiol. Chem.) An animal base or alkaloid, appearing in the tissue during life; hence, a vital alkaloid, as distinguished from a ptomaine or cadaveric poison. [ 1913 Webster ]

a. [ Leuc- + croconic. ] (Chem.) Pertaining to, or designating, a complex organic acid, obtained as a yellowish white gum by the oxidation of croconic acid. [ 1913 Webster ]

n. [ Leuco- + Gr. pa`schein, paqei^n to suffer. ] The state of an albino, or of a white child of black parents. [ 1913 Webster ]

n. [ Gr. leykofanh`s appearing bright or white; leyko`s white + fai`nein to show: cf. G. leukophan. ] (Min.) A mineral of a greenish yellow color; it is a silicate of glucina, lime, and soda with fluorine. Called also leucophanite. [ 1913 Webster ]

n. [ Gr. leykoflegmati`a; leyko`s white + fle`gma phlegm: cf. F. leucophlegmasie. ] (Med.) A dropsical habit of body, or the commencement of anasarca; paleness, with viscid juices and cold sweats. [ 1913 Webster ]

a. [ Cf. F. leucophlegmatique, Gr. leykofle`gmatos. ] Having a dropsical habit of body, with a white bloated skin. [ 1913 Webster ]

n. [ Leuco- + Gr. fy`llon a leaf. ] (Chem.) A colorless substance isomeric with chlorophyll, contained in parts of plants capable of becoming green. Watts. [ 1913 Webster ]

a. [ Gr. leyko`fyllos; leyko`s white + fy`llon a leaf. ] (Bot.) Having white or silvery foliage. [ 1913 Webster ]

{ } n. [ Leuco- + Gr. pla`ssein to mold. ] (Bot.) One of certain very minute whitish or colorless granules occurring in the protoplasm of plants and supposed to be the nuclei around which starch granules will form. [ 1913 Webster ]

n. [ Leuco- + pyrites. ] (Min.) A mineral of a color between white and steel-gray, with a metallic luster, and consisting chiefly of arsenic and iron. [ 1913 Webster ]

n. [ Leuco- + Gr. "rei^n to flow.] (Med.) A discharge of a white, yellowish, or greenish, viscid mucus, resulting from inflammation or irritation of the membrane lining the genital organs of the female; the whites. Dunglison. [1913 Webster]

‖n. [ NL., from Gr. leyko`s + 'o`ryx a kind of gazelle. ] (Zool.) A large antelope of North Africa (Oryx leucoryx), allied to the gemsbok. [ 1913 Webster ]

n. [ Leuco- + -scope. ] (Physics) An instrument, devised by Professor Helmholtz, for testing the color perception of the eye, or for comparing different lights, as to their constituent colors or their relative whiteness. [ 1913 Webster ]

a. [ NL. Leucosia, the typical genus (fr. Gr. leyko`s white) + -oid. ] (Zool.) Like or pertaining to the Leucosoidea, a tribe of marine crabs including the box crab or Calappa. [ 1913 Webster ]

n. [ Leuco- + sphere. ] (Astron.) The inner corona. [ R. ] [ 1913 Webster ]

a. [ Leuco- + allantoic + uric. ] (Chem.) Pertaining to, or designating, a nitrogenous organic substance of the uric acid group, called leucoturic acid or oxalantin. See Oxalantin. [ 1913 Webster ]

a. [ Gr. leyko`s. ] White; -- applied to albinos, from the whiteness of their skin and hair. [ 1913 Webster ]

n. [ Leuco- + Gr. xe`nos stranger. ] (Min.) A nearly opaque white mineral, in part identical with titanite, observed in some igneous rocks as the result of the alteration of titanic iron. [ 1913 Webster ]

a. [ Gr. &unr_; ocher + &unr_; white. ] Yellowish white; having a faint tint of dingy yellow. Gray. [ 1913 Webster ]