{ ‖ } n. [ Gr. 'androeidh`s of man's form; 'anh`r, 'andro`s, man + e'i^dos form. ] A machine or automaton in the form of a human being. [ 1913 Webster ]
n. [ Gr. ky`lindros cylinder + -oid: cf. F. cylindroïde. ] 1. A solid body resembling a right cylinder, but having the bases or ends elliptical. [ 1913 Webster ]
2. (Geom.) A certain surface of the third degree, described by a moving straight line; -- used to illustrate the motions of a rigid body and also the forces acting on the body. [ 1913 Webster ]
{ } a. [ Gr. &unr_; treelike; de`ndron tree + e'i^dos form: cf. F. dendroïde. ] Resembling a shrub or tree in form; treelike; branching. Syn. -- arboreal, arboreous, arborescent, arboresque, arboriform, dendriform, treelike, tree-shaped. [ 1913 Webster ]
‖ n. pl. [ NL. See Hydra, and -oid. ] (Zool.) An extensive order of Hydrozoa or Acalephæ. [ Written also Hydroida. ] [ 1913 Webster ]
☞ This order includes the hydras and the free-swimming hydromedusæ, together with a great variety of marine attached hydroids, many of which grow up into large, elegantly branched forms, consisting of a vast number of zooids (hydranths, gonophores, etc.), united by hollow stems. All the zooids of a colony are produced from one primary zooid, by successive buddings. The Siphonophora have also been included in this order by some writers. See Gymnoblastea, Hydromedusa, Gonosome, Gonotheca. [ 1913 Webster ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
