单词 | mucor |
释义 | mucorn. 1. Mouldiness, mustiness; mould. Now rare. ΘΚΠ the world > physical sensation > cleanness and dirtiness > dirtiness > corruption or putridness > [noun] > mustiness, mouldiness, or mould moulda1400 mow?a1500 mustiness1526 vinny1538 mouldiness1559 vinniedness1565 foistiness1576 hoariness1580 must1602 mucor1656 vinnewinessa1722 1656 T. Blount Glossographia Mucor, hoariness, filthiness. 1658 E. Phillips New World Eng. Words C4v/2 Mucidity, or Mucour, (lat.) mouldiness, hoarinesse, filthinesse. 1669 R. Boyle Contin. New Exper. Physico-mech. (1868) ii. 68 The fruits were covered with a kind of mucor or Finew. 1848 Webster's Amer. Dict. Eng. Lang. Mucor, moldiness. 1991 E. S. Connell Alchymist's Jrnl. (1992) 174 Munich. Verdict unsealed. Corruption. Pravity. Famine. Mucor. 2. Mycology. In form Mucor. A genus of fungi, originally (esp. in Linnaean use) comprising diverse (chiefly mould-forming) fungi and slime moulds, but later restricted to some fifty usually saprophytic zygomycetes which produce abundant mycelium; (also mucor) a fungus of this genus. Mucor is closely related to the genus Rhizopus, with which it has been conflated and confused in the past, but its members lack stolons and produce sporangiophores from all parts of the mycelium.The word was used as a genus name by P. A. Micheli ( Nova Plantarum Genera (1729) 215), and subsequently (with varying application) by Linnaeus ( Species Plantarum (1753) II. 1185) and by E. M. Fries ( Systema Mycologicum (1832) III. vii. 317). Its present taxonomic validity derives from its use by G. Fresenius ( Beiträge zur Mykol. (1850) i. 4). ΘΚΠ the world > plants > particular plants > plants perceived as weeds or harmful plants > poisonous or harmful plants > harmful or parasitic fungi > [noun] > mould or mildew fenOE mildew1340 moulda1400 moul1440 vinny1538 hoar1548 mouldingc1610 vinegar-plant1797 moulder1817 mucor1818 vinegar mother1839 leaf rust1859 wood-mould1869 Isaria1874 grease mould1882 brown mould1883 pourriture noble1911 fumagine1913 1754 New & Compl. Dict. Arts & Sci. III. 2148/1 Mucor, in botany, a genus of mushrooms, being funguses consisting of roundish little bladders, in which are found numerous seeds, affixed to hair-like receptacles, placed all over the inside of the bladders. 1770 Philos. Trans. 1769 (Royal Soc.) 59 139 This species of Mucor sends forth a mass of transparent filamentous roots. 1796 W. Withering Arrangem. Brit. Plants (ed. 3) IV. 401 This membrane [of a species of fungus] is not fugacious like the Mucors. 1797 Encycl. Brit. XII. 438/2 The spærocephalus, or grey round-headed mucor, growing upon rotten wood. 1818 H. T. Colebrooke On Import Colonial Corn 96 Mouldiness is prevented, since the seeds of mucor are shut out. 1836 Penny Cycl. V. 244/1 There are plants that are born and die in a day, such as the race of mucors. 1875 T. H. Huxley & H. N. Martin Course Elem. Biol. v. 39 A crop of erect aërial mucor-hyphæ. 1896 T. C. Allbutt et al. Syst. Med. I. 505 Some species of mucor are able to act as true alcoholic ferments. 1927 H. Gwynne-Vaughan & B. F. Barnes Struct. & Devel. Fungi 112 None of the heterothallic forms among the mucors is known to be heterogamic. 1952 W. O. James Elem. Plant Biol. xxviii. 363 Most Mucors are strictly aerobic organisms and do not penetrate deeply into the jam or whatever material they are growing upon. 1989 New Scientist 27 May 59/1 Several species of the mould Mucor produce substitutes for chymosin. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1656 |
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