| 单词 | union nut |
| 释义 | > as lemmasunion nut union nut n. (a) a nut forming (part of) a union (sense 22); (b) a small Australian tree with pinnate leaves and short panicles of flowers, Bosistoa pentacocca (family Rutaceae), which produces a fine ornamental timber. ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nut > other nuts box nut1794 union nut1835 castle-nut1902 1835 London Jrnl. Arts & Sci. 5 325 These parts of the tube may be connected together by any convenient means: union-nuts at the joints will perhaps answer the purpose best. 1876 Official Catal. Nat. & Industr. Products New S. Wales 79 Bossitoa sapindiformis. Muell. Rutaceæ. A small-sized tree, very plentiful on the Upper Richmond River... Union Nut. 2002 G. J. Harden Flora New S. Wales II. (rev. ed.) 262 (heading) Union Nut. Tree to 7 m high, branchlets with dense short yellow-grey hairs. 2007 B. Nesbitt Handbk. Valves & Actuators ix. 241/1 The union nut is not equipped with hexagon flats. < as lemmas |
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