| 单词 | bead |
| 释义 | bead —beadlike, adj. /beed/, n. 1. a small, usually round object of glass, wood, stone, or the like with a hole through it, often strung with others of its kind in necklaces, rosaries, etc. 2. beads, a. a necklace of beads: You don't have your beads on this evening. b. a rosary. c. Obs. devotions; prayers. 3. any small globular or cylindrical body. 4. a drop of liquid: beads of moisture. 5. a bubble rising through effervescent liquid. 6. Usually, beads. a mass of such bubbles on the surface of a liquid. 7. the front sight of a rifle or gun. 8. a reinforced area of a rubber tire terminating the sidewall and fitting within the rim of a wheel. See illus. under tire. 9. Elect. a glass, ceramic, or plastic insulator that contains and supports the inner conductor in a coaxial cable. 10. Chem. a globule of borax or some other flux, supported on a platinum wire, in which a small amount of some substance is heated in a flame as a test for its constituents. 11. Metall. the rounded mass of refined metal obtained by cupellation. 12. Archit. , Furniture. a small molding having a convex circular section and, usually, a continuous cylindrical surface; astragal. 13. Welding. a continuous deposit of fused metal, either straight (stringer bead) or zigzag (weave bead). 14. count, say, or tell one's beads, to say one's prayers, using rosary beads: There were a few old women counting their beads in the hushed silence of the chapel. 15. draw or get a bead on, to take careful aim at: The marksman drew a bead on his target. v.t. 16. to form or cause to form beads or a bead on. 17. to ornament with beads. 18. Carpentry. to form a bead on (a piece). v.i. 19. to form beads; form in beads or drops: perspiration beading on his forehead. [bef. 900; ME bede prayer, prayer bead (where, on a rosary each bead symbolizes a prayer, the word for the notion symbolized was transferred to the designating object), OE gebed prayer; akin to BID1, G Gebet] Syn. 4. droplet, globule, blob, dot. |
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