Definition of Opell. Meaning of Opell. Synonyms of Opell

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Definition of Opell

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Fish-tail propeller
Fish-tail Fish"-tail`, a. Like the of a fish; acting, or producing something, like the tail of a fish. Fish-tail burner, a gas burner that gives a spreading flame shaped somewhat like the tail of a fish. Fish-tail propeller (Steamship), a propeller with a single blade that oscillates like the tail of a fish when swimming.
Hydraulic propeller
Hydraulic Hy*drau"lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; "y`dwr water + ? flute, pipe. See Hydra.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock, crane, or dock. Hydraulic accumulator, an accumulator for hydraulic machinery of any kind. See Accumulator, 2. Hydraulic brake, a cataract. See Cataract, 3. Hydraulic cement, a cement or mortar made of hydraulic lime, which will harden under water. Hydraulic elevator, a lift operated by the weight or pressure of water. Hydraulic jack. See under Jack. Hydraulic lime, quicklime obtained from hydraulic limestone, and used for cementing under water, etc. Hydraulic limestone, a limestone which contains some clay, and which yields a quicklime that will set, or form a firm, strong mass, under water. Hydraulic main (Gas Works), a horizontal pipe containing water at the bottom into which the ends of the pipes from the retorts dip, for passing the gas through water in order to remove ammonia. Hydraulic mining, a system of mining in which the force of a jet of water is used to wash down a bank of gold-bearing gravel or earth. [Pacific Coast] Hydraulic press, a hydrostatic press. See under Hydrostatic. Hydraulic propeller, a device for propelling ships by means of a stream of water ejected under water rearward from the ship. Hydraulic ram, a machine for raising water by means of the energy of the moving water of which a portion is to be raised. When the rush of water through the main pipe d shuts the valve at a, the momentum of the current thus suddenly checked forces part of it into the air chamber b, and up the pipe c, its return being prevented by a valve at the entrance to the air chamber, while the dropping of the valve a by its own weight allows another rush through the main pipe, and so on alternately. Hydraulic valve. (Mach.) (a) A valve for regulating the distribution of water in the cylinders of hydraulic elevators, cranes, etc. (b) (Gas Works) An inverted cup with a partition dipping into water, for opening or closing communication between two gas mains, the open ends of which protrude about the water.
Jet propeller
Jet Jet, n. [F. jet, OF. get, giet, L. jactus a throwing, a throw, fr. jacere to throw. Cf. Abject, Ejaculate, Gist, Jess, Jut.] 1. A shooting forth; a spouting; a spurt; a sudden rush or gush, as of water from a pipe, or of flame from an orifice; also, that which issues in a jet. 2. Drift; scope; range, as of an argument. [Obs.] 3. The sprue of a type, which is broken from it when the type is cold. --Knight. Jet propeller (Naut.), a device for propelling vessels by means of a forcible jet of water ejected from the vessel, as by a centrifugal pump. Jet pump, a device in which a small jet of steam, air, water, or other fluid, in rapid motion, lifts or otherwise moves, by its impulse, a larger quantity of the fluid with which it mingles.
Propelled
Propel Pro*pel", v. t. [imp. & p. p. Propelled; p. pr. & vb. n. Propelling.] [L. propellere, propulsum; pro forward + pellere to drive. See Pulse a beating.] To drive forward; to urge or press onward by force; to move, or cause to move; as, the wind or steam propels ships; balls are propelled by gunpowder.
propeller
Tractor screw Tractor screw or propeller propeller (Aviation) A propeller screw placed in front of the supporting planes of an a["e]roplane instead of behind them, so that it exerts a pull instead of a push. Hence, Tractor monoplane, Tractor biplane, etc.
Propeller
Propeller Pro*pel"ler, n. 1. One who, or that which, propels. 2. A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel.
Propeller wheel
3. A steamboat thus propelled; a screw steamer. Propeller wheel,the screw, usually having two or more blades, used in propelling a vessel.
Propelling
Propel Pro*pel", v. t. [imp. & p. p. Propelled; p. pr. & vb. n. Propelling.] [L. propellere, propulsum; pro forward + pellere to drive. See Pulse a beating.] To drive forward; to urge or press onward by force; to move, or cause to move; as, the wind or steam propels ships; balls are propelled by gunpowder.

Meaning of Opell from wikipedia

- 1896 – Mexico, Panama Astavakra Lehtinen, 1967 – Philippines Conifaber Opell, 1982 – Paraguay, Argentina, Colombia Daramulunia Lehtinen, 1967 – Samoa...
- diversus Marx, 1898 (USA, Mexico) Uloborus eberhardi Opell, 1981 (Costa Rica) Uloborus elongatus Opell, 1982 (Argentina) Uloborus emarginatus Kulczynski...
- Archived from the original on 2024-05-07. Retrieved 2024-05-07. Bond, J. E.; Opell, B. D. (2002). "Phylogeny and taxonomy of the genera of south-western North...
- Coddington, ****ner & Opell, 2012 – Australia (Queensland, New South Wales), New Caledonia Menneus bituberculatus Coddington, ****ner & Opell, 2012 – Australia...
- of spiders in the family Uloboridae. It was first described in 1982 by Opell. As of 2017[update], it contains 4 species, all from South America: Conifaber...
- Coddington, ****ner & Opell, 2012 — Australia (Queensland, New South Wales), New Caledonia M. bituberculatus Coddington, ****ner & Opell, 2012 — Australia...
- Gertsch, 1934 – USA Neoantistea hidalgoensis Opell & Beatty, 1976 – Mexico Neoantistea inaffecta Opell & Beatty, 1976 – Mexico Neoantistea jacalana Gertsch...
- Scientific American. Retrieved 2016-11-10. ****ner, M.; Ceccarelli, F. S.; Opell, B. D.; Haddad, C. R.; Raven, Robert J.; Soto, E. M.; Ramírez, M. J. (2016-10-12)...
- the family Euctenizidae, and was first described by Jason Bond & B. D. Opell in 2002. As of May 2019[update] it contains only two species, both found...
- ****rd-Cambridge, 1896 (type) — Mexico to Panama A. aristus Opell, 1979 — Panama A. mazolus Opell, 1979 — Mexico A. spart**** Salvatierra, Tourinho & Brescovit...