英语词汇-etum的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	-etum
词根词缀	NewOxfordEC OED Prefixsuffix.com SOED Webster -etum /ˈiːtəm/ suffix (forming nouns) denoting a collection or plantation of trees or other plants ［构成名词］表示“植物群落”, “种植园”： arboretum pinetum. 词源 from Latin. -etum, suffix\|ˈiːtəm\|from Latin -ētum, neut. of -ētus, -tus (see -ed²), is appended to names of trees or other plants, (a) to designate a collection or plantation of various species of a single genus or group of plants, as in L. arboretum and pinetum (see arboretum, pinetum); (b) in Ecology, to designate an association dominated by the species or genus named, as in characetum, ericetum, salicornietum.1688Evelyn Diary 28 Mar. (1955) IV. 576 We went to Kew, to Visite Sir Hen: Capels, whose Orangerie & Myrtetum, are most beautifull.1905F. E. Clements Res. Methods Ecology iv. 299 The suffix -etum is used to designate a consocies of a formation, e.g. Picetum, Caricetum, etc.1939Geogr. Jrnl. XCIII. 403 The termination -etum in ecological studies denotes an association. The suffix is added to the root of the name of the dominant species.1964V. J. Chapman Coastal Veg. i. 11 It is convenient to recognize such communities [sc. associations] by use of the termination -etum. Thus for a community dominated by species of Salicornia one refers to the Salicornietum. -etum garden or group of a kind of plant: rosetum, pinetum -etum /ˈi:təm/ suffix. Pl. -etums, -eta /ˈi:tə/. L17. ORIGIN: Latin -etum neut. of -etus. Forming nouns denoting: (a) a collection or plantation of different plants of a group, as arboretum, pinetum;(b) Ecology an association dominated by the species or genus from which it is named. -e·tum \ˈēd.]əm, ˈēt]əm\ noun suffix (plural -e·ta \]ə\ ; or -etums) Etymology: Latin -etum 1. : garden or group of a (specified) kind of plant < rosetum > < pinetum > 2. : consocies (of a specified plant genus or family) < characetum >
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