| 单词 | leuco- |
| 释义 | leuc- or leuk- /lūk-, look-, lūs- or loos-/, also leuco- or leuko- /lū-kō-, loo-ko- or -ko-/combining formDenoting white ORIGIN: Gr leukos white The letters c and k are interchangeable in most of these words. Except in the first case, -k- forms have not been given below: leucaemia or more commonly leukaemia, also (esp. (N American) leukemia, and (more strictly formed), leuchaemia /loo-kēˈmi-ə noun (Gr haima blood) a sometimes fatal cancerous disease in which too many leucocytes are accumulated in the body, associated with changes in the lymphatic system and enlargement of the spleen leucaeˈmic adjective leucaeˈmogen noun A substance that encourages the development of leukaemia leucaemogenˈesis noun leucaemogenˈic adjective leucisˈtic adjective (biology) Lacking pigmentation in the skin, but differing from an albino in having blue eyes leuˈco-base or leuˈco-compound noun A colourless reduction product of a dye that can be converted back to the dye by oxidation leuˈcoblast noun An immature cell which will develop into a leucocyte leucocratˈic adjective Of igneous rocks, light in colour, due to a low content of iron and magnesium leuˈcocyte /-kō-sīt/ noun (Gr kytos container, used as if cell) a white corpuscle of the blood or lymph leucocythaemia /-sī-thēˈmi-ə/ noun (Gr haima blood) leukaemia leucocytic /-sitˈik/ adjective leucocytolˈysis noun (Gr lysis dissolution) breaking down of the leucocytes leucocytopēˈnia noun (Gr peniā poverty) leucocyte deficiency leucocytopēˈnic adjective leucocytōˈsis noun The presence of an excessive number of white corpuscles in the blood leucocytotˈic adjective leucoderˈma or leucoderˈmia noun (Gr derma skin) a condition in which white patches, surrounded by a pigmented area, appear in the skin leucoderˈmal or leucoderˈmic adjective leucopēˈnia noun Leucocytopenia leucopēnˈic adjective leucoplakia /lū- or loo-kō-pläˈki-ə/ noun (Gr plax, plakos a flat surface) the stage of a chronically inflamed area at which the surface becomes hard, white and smooth leucoplast /lūˈ or looˈkō-pläst/ noun (Gr plastos formed, from plassein to form; botany) A starch-forming body in protoplasm (also leucoplasˈtid) leucopoiesis /lū- or loo-kō-poi-ēˈsis/ noun (Gr poieein to make) the production of white blood cells leucorrhoea /lū- or loo-kō-rēˈə/ noun (Gr rhoiā, from rheein to flow) an abnormal mucous or muco-purulent discharge from the vagina, the whites leucosin /lūˈ or looˈkō-sin/ noun
leuˈcotome /-kō-tōm/ noun A needle used in leucotomies leucotomy /lū- or loo-kotˈə-mi/ noun (Gr tomē a cutting) a surgical scission of the white association fibres between the frontal lobes of the brain and the thalamus to relieve cases of severe schizophrenia and manic-depressive psychosis |
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