| lath | Origin: OE. Laththe, latthe, latte, AS. Laetta; akin to D. Lat, G. Latte, OHG. Latta; cf. W. Llath a rod, staff, yard. Cf. Lattice, Latten. A thin, narrow strip of wood, nailed to the rafters, studs, or floor beams of a building, for the purpose of supporting the tiles, plastering, etc. A corrugated metallic strip or plate is sometimes used. Lath brick, a long, slender brick, used in making the floor on which malt is placed in the drying kiln. Lath nail a slender nail for fastening laths. Source: Websters Dictionary (01 Mar 1998) |
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| lath-shaped | Having a slender elongated form, like a lath; said of the feldspar of certain igneous rocks, as diabase, as seen in microscopic sections. Source: Websters Dictionary (01 Mar 1998) |
| lathe | Formerly, a part or division of a county among the Anglo-Saxons. at present it consists of four or five hundreds, and is confined to the county of Kent. Alternative forms: lath. Origin: AS.laeth. Of. Uncertain origin. 1. A granary; a barn. 2. <machinery> A machine for turning, that is, for shaping articles of wood, metal, or other material, by causing them to revolve while acted upon by a cutting tool. "turning" here is in the sense of cutting while turning. Turn 6 and turning 4, in this dict. 3. The movable swing frame of a loom, carrying the reed for separating the warp threads and beating up the weft; called also lay and batten. Blanchard lathe, a lathe for turning irregular forms after a given pattern, as lasts, gunstocks, and the like. Drill lathe, or Speed lathe, a small lathe which, from its high speed, is adapted for drilling; a hand lathe. Engine lathe, a turning lathe in which the cutting tool has an automatic feed; used chiefly for turning and boring metals, cutting screws, etc. Foot lathe, a lathe which is driven by a treadle worked by the foot. Geometric lathe. See Geometric Hand lathe, a lathe operated by hand; a power turning lathe without an automatic feed for the tool. Slide lathe, an engine lathe. Throw lathe, a small lathe worked by one hand, while the cutting tool is held in the other. Origin: OE. Lathe a granary; akin to G. Lade a chest, Icel. Hlatha a storehouse, barn; but cf. Also Icel. Loth a smith's lathe. Senses 2 and 3 are perh. Of the same origin as lathe a granary, the original meaning being, a frame to hold something. If so, the word is from an older form of E. Lade to load. See Lade to load. Source: Websters Dictionary (01 Mar 1998) |
| lathosterol delta-5-dehydrogenase | <enzyme> Forms 7-dehydrocholesterol (cholesta-5,7-dien-3-beta-ol) Registry number: EC 1.3.3.2 Synonym: 5 alpha-cholest-7-en-3 beta-ol delta-5-dehydrogenase, lathosterol oxidase, lathosterol 5-desaturase (26 Jun 1999) |
| lathyrism | Disorder of collagen cross linking as a result of copper sequestration by nitriles. (Lysyl oxidase is a copper containing metalloenzyme). In animals, caused by eating toxic plants of genus Lathyris. (18 Nov 1997) |
| lathyrogen | An agent or drug, occurring naturally or used experimentally, that induces lathyrism. (05 Mar 2000) |