concave worm
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Concave — Con cave (k[o^][ng]*k[=a]*v or k[o^]n ; 277), a. [L. concavus; con + cavus hollow: cf. F. concave. See {Cave} a hollow.] 1. Hollow and curved or rounded; vaulted; said of the interior of a curved surface or line, as of the curve of the of the… … The Collaborative International Dictionary of English
Worm-eaten — Worm eat en, a. 1. Eaten, or eaten into, by a worm or by worms; as, worm eaten timber. [1913 Webster] Concave as a covered goblet, or a worm eaten nut. Shak. [1913 Webster] 2. Worn out; old; worthless. [R.] Sir W. Raleigh. [1913 Webster] {Worm… … The Collaborative International Dictionary of English
Worm-eatenness — Worm eaten Worm eat en, a. 1. Eaten, or eaten into, by a worm or by worms; as, worm eaten timber. [1913 Webster] Concave as a covered goblet, or a worm eaten nut. Shak. [1913 Webster] 2. Worn out; old; worthless. [R.] Sir W. Raleigh. [1913… … The Collaborative International Dictionary of English
worm gear — noun gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion • Hypernyms: ↑gear, ↑gear wheel, ↑geared wheel, ↑cogwheel • Part Meronyms: ↑ … Useful english dictionary
Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… … Wikipedia
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… … Universalium
Corkscrew — For other uses, see Corkscrew (disambiguation). A basic corkscrew … Wikipedia
hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… … Universalium
Fishing lure — In line spinner lure with ring, dish, body/weight and hook Fishing lures are made in various creative designs like this top water lure … Wikipedia
