English Dictionary: triangular | by the DICT Development Group |
3 results for triangular | |
From WordNet (r) 3.0 (2006) [wn]: | |
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From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Triangular \Tri*an"gu*lar\, a. [L. triangularis: cf. F. triangulaire.] 1. Having three angles; having the form of a triangle. 2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. {Triangular compasses}, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time. {Triangular crab} (Zo[94]l.), any maioid crab; -- so called because the carapace is usually triangular. {Triangular numbers} (Math.), the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See {Figurate numbers}, under {Figurate}. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Compasses \Com"pass*es\, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. Note: The compasses for drawing circles have adjustable pen points, pencil points, etc.; those used for measuring without adjustable points are generally called dividers. See {Dividers}. {Bow compasses}. See {Bow-compass}. {Caliber compasses}, {Caliper compasses}. See {Calipers}. {Proportional}, {Triangular}, etc., {compasses}. See under {Proportional}, etc. |