| 释义 |
astragal
 astragalas·tra·gal A0484500 (ăs′trə-gəl)n. A narrow convex molding often having the form of beading.
[Latin astragalus, from Greek astragalos; see ost- in Indo-European roots.]astragal (ˈæstrəɡəl) n1. (Architecture) architect a. Also called: bead a small convex moulding, usually with a semicircular cross sectionb. a moulding having the form of a string of beads2. (Furniture) carpentry a glazing bar, esp in a bookcase3. (Anatomy) anatomy the ankle or anklebone[C17: from Latin astragalus, from Greek astragalos anklebone, hence, small round moulding]as•tra•gal (ˈæs trə gəl)
n. 1. a small convex molding cut into the form of a string of beads. Compare bead and reel. 2. a plain convex molding; bead. 3. a molding attached to one or both meeting stiles of a pair of double doors in order to prevent drafts. [1555–65; < Latin astragalus < Greek astrágalos a vertebra, molding] Thesaurus| Noun | 1. |  astragal - the bone in the ankle that articulates with the leg bones to form the ankle jointanklebone, astragalus, talusbone, os - rigid connective tissue that makes up the skeleton of vertebratesankle, ankle joint, articulatio talocruralis, mortise joint - a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus | | 2. |  astragal - a beaded molding for edging or decorating furniturebeading, beadwork, beadmoulding, molding - a decorative strip used for ornamentation or finishingbead and quirk, quirk bead - beading formed with a narrow groove separating it from the surface it decorates |
Astragal
astragal[′as·trə·gəl] (building construction) A small convex molding decorated with a string of beads or bead-and-reel shapes. A plain bead molding. A member, or combination of members, fixed to one of a pair of doors or casement windows to cover the joint between the meeting stiles and to close the clearance gap. AstragalA member or combination of members, fixed to one of a pair of doors or casement windows to cover the joint between the meeting stiles and to close the gap in order to prevent drafts, passage of light, air or noise.astragal  An overlapping astragal, 3  astragal, 1: in Greek architecture 1. A bead, usually half-round, with a fillet on one or both sides. It may be plain, but the term is more correctly used to describe the classical molding consisting of a small convex molding decorated with a string of beads or bead-and-reel shapes. 2. A plain bead molding. Also called roundel, baguette, or chaplet. 3. A member, or combination of members, fixed to one of a pair of doors or casement windows to cover the joint between the meeting stiles and to close the clearance gap; provides a weather seal, minimizes the passage of light and noise, and retards the passage of smoke or flame during a fire. Also see overlapping astragal, split astragal.MedicalSeebeadastragal
Synonyms for astragalnoun the bone in the ankle that articulates with the leg bones to form the ankle jointSynonymsRelated Words- bone
- os
- ankle
- ankle joint
- articulatio talocruralis
- mortise joint
noun a beaded molding for edging or decorating furnitureSynonymsRelated Words- moulding
- molding
- bead and quirk
- quirk bead
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