crocus definition

  • noun:
    • any one of numerous perennial Eurasian natural herbs of genus Crocus, having grasslike leaves and showy, variously coloured flowers.
    • Any of many flowers, including the autumn crocus.
    • A grayish to light reddish-purple.
    • A dark purple powdered variety of iron oxide, Fe2O3, utilized as an abrasive for polishing.
    • A coarse, loosely woven product like burlap, as soon as familiar with make sacks for shipping saffron. See Local Note at gunnysack.
    • A perennial flowering plant (of the genus Crocus inside Iridaceae family). Saffron is acquired through the stamens of Crocus sativus.
    • any one of various comparable flowering flowers, such as the autumn crocus and prairie crocus.
    • A deep yellow dust, the oxide of some metal (especially metal), calcined to a red or deep yellow colour.
    • A genus of iridaceous flowers, with pretty flowers rising separately from the light bulb or corm. Crocus vernus is one of the earliest of spring-blooming plants; Crocus sativus creates the saffron, and flowers into the autumn.
    • A deep yellow powder; the oxide of some material calcined to a red or deep yellowish color; esp., the oxide of metal (Crocus of Mars or colcothar) thus made out of salts of iron, and used as a polishing dust.
    • A plant of this genus Crocus.
    • A genus of stunning iridaceous flowers, comprising numerous robust types, a number of which are among the commonest ornaments of landscapes.
    • Saffron, received from plants associated with genus Crocus. See saffron.
    • A polishing-powder ready from crystals of sulphate of metal, calcined in crucibles.
    • In old chem., a yellowish or reddish impure oxid of some of the metals: as, crocus antimonii or crocus metallorum, an impure oxid of antimony acquired by deflagration of normal sulphid of antimony with saltpeter; crocus Martis, oxid of metal left on heating sulphate of iron to redness in the air; crocus Veneris, purple oxid of copper obtained by warming copper in the air.
    • any one of numerous low-growing plants of genus Crocus having slender grasslike leaves and white or yellowish or purple flowers; local chiefly to your Mediterranean area but extensively cultivated

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