| RMSF | Rock Mountain spotted fever |
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| effusive | Pouring out; pouring forth freely. "Washed with the effusive wave. <geology> " Effusive rocks, volcanic rocks, in distinction from so-called intrusive, or plutonic, rocks. Effu"sively, Effu"siveness. Source: Websters Dictionary (01 Mar 1998) |
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| bed rock | <chemical> The solid rock underlying superficial formations. Also Source: Websters Dictionary (01 Mar 1998) |
| rock | 1. A large concreted mass of stony material; a large fixed stone or crag. See Stone. "Come one, come all! this rock shall fly From its firm base as soon as I." (Sir W. Scott) 2. <geology> Any natural deposit forming a part of the earth's crust, whether consolidated or not, including sand, earth, clay, etc, when in natural beds. 3. That which resembles a rock in firmness; a defense; a support; a refuge. "The Lord is my rock, and my fortress." (2 Sam. Xxii. 2) 4. Anything which causes a disaster or wreck resembling the wreck of a vessel upon a rock. 5. <zoology> The striped bass. See Bass. This word is frequently used in the formation of self-explaining compounds; as, rock-bound, rock-built, rock-ribbed, rock-roofed, and the like. Rock alum. [Probably so called by confusion with F. Roche a rock] Same as Roche alum. Rock barnacle, any one of several species of wrens of the genus Salpinctes, native of the arid plains of Lower California and Mexico. Origin: OF. Roke, F. Roche; cf. Armor. Roc'h, and AS. Rocc. Source: Websters Dictionary (01 Mar 1998) |
| rock oil | Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc. Petroleum spirit, a volatile liquid obtained in the distillation of crude petroleum at a temperature of 170 deg Fahr, or below. The term is rather loosely applied to a considerable range of products, including benzine and ligroin. The terms petroleum ether, and naphtha, are sometimes applied to the still more volatile products, including rhigolene, gasoline, cymogene, etc. Origin: NL, fr. L. Petra a rock + oleum oil: cf. F. Petrole. Cf. Petrify, and Oil. Source: Websters Dictionary (01 Mar 1998) |
| rock shaft | <machinery> A shaft that oscillates on its journals, instead of revolving, usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines. Synonym: rocker, rocking shaft, and way shaft. Origin: Cf. Rock, v. I. Source: Websters Dictionary (01 Mar 1998) |
| rock staff | An oscillating bar in a machine, as the lever of the bellows of a forge. Origin: Cf. Rock. Source: Websters Dictionary (01 Mar 1998) |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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