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ironwood 音標拼音: ['ɑɪɚnw ,ʊd] n. 硬木 硬木 ironwood n 1: handsome East Indian evergreen tree often planted as an ornamental for its fragrant white flowers that yield a perfume; source of very heavy hardwood used for railroad ties [ synonym: { rose chestnut}, { ironwood}, { ironwood tree}, { Mesua ferrea}] 2: exceptionally tough or hard wood of any of a number of ironwood trees 3: a small slow- growing deciduous tree of northern Iran having a low domed shape [ synonym: { iron tree}, { iron- tree}, { ironwood}, { ironwood tree}] 4: medium- sized hop hornbeam of eastern North America [ synonym: { Eastern hop hornbeam}, { ironwood}, { ironwood tree}, { Ostrya virginiana}] Hornbeam \ Horn" beam`\, n. [ See { Beam}.] ( Bot.) A tree of the genus { Carpinus} ({ Carpinus Americana}), having a smooth gray bark and a ridged trunk, the wood being white and very hard. It is common along the banks of streams in the United States, and is also called { ironwood}. The English hornbeam is { Carpinus Betulus}. The American is called also { blue beech} and { water beech}. [ 1913 Webster] { Hop hornbeam}. ( Bot.) See under { Hop}. [ 1913 Webster]
Ironbark \ I" ron* bark`\, Ironbark tree \ I" ron* bark` tree`\ ( Bot.) The Australian { Eucalyptus Sideroxylon}, used largely by carpenters and shipbuilders; -- called also { ironwood}. Also applied to other Australian eucalyptuses with a hard, solid bark [ 1913 Webster PJC]
Ironwood \ I" ron* wood`\, n. ( Bot.) A tree unusually hard, strong, or heavy wood. [ 1913 Webster] Note: In the United States, the hornbeam and the hop hornbeam are so called; also the { Olneya Tesota}, a small tree of Arizona; in the West Indies, the { Erythroxylon areolatum}, and several other unrelated trees; in China, the { Metrosideros vera}; in India, the { Mesua ferrea}, and two species of { Inga}; in Australia, the { Eucalyptus Sideroxylon}, and in many countries, species of { Sideroxylon} and { Diospyros}, and many other trees. [ 1913 Webster]
Titi \ Ti" ti\, n. [ Orig. uncert.] 1. A tree of the southern United States ({ Cliftonia monophylla}) having glossy leaves and racemes of fragrant white flowers succeeded by one- seeded drupes; -- called also { black titi}, { buckwheat tree}, and { ironwood}. [ Webster 1913 Suppl.] 2. Any related tree of the genus { Cyrilla}, often disting. as { white titi}. [ Webster 1913 Suppl.]
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