| RMSF | Rock Mountain spotted fever |
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| bed rock | <chemical> The solid rock underlying superficial formations. Also Source: Websters Dictionary (01 Mar 1998) |
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| 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) |
| hare's-foot fern | <botany> A species of fern (Davallia Canariensis) with a soft, gray, hairy rootstock; whence the name. Source: Websters Dictionary (01 Mar 1998) |
| sea fern | <zoology> Any gorgonian which branches like a fern. Source: Websters Dictionary (01 Mar 1998) |
| female fern | <botany> . A common species of fern with large decompound fronds (Asplenium Filixfaemina), growing in many countries; lady fern. The names male fern and female fern were anciently given to two common ferns; but it is now understood that neither has any sexual character. Synonym: Female, Feminine. We apply female to the sex or individual, as opposed to male; also, to the distinctive belongings of women; as, female dress, female form, female character, etc.; feminine, to things appropriate to, or affected by, women; as, feminine studies, employments, accomplishments, etc. "Female applies to sex rather than gender, and is a physiological rather than a grammatical term. Feminine applies to gender rather than sex, and is grammatical rather than physiological." Source: Websters Dictionary (01 Mar 1998) |
| fern | <botany> An order of cryptogamous plants, the Filices, which have their fructification on the back of the fronds or leaves. They are usually found in humid soil, sometimes grow epiphytically on trees, and in tropical climates often attain a gigantic size. The plants are asexual, and bear clustered sporangia, containing minute spores, which germinate and form prothalli, on which are borne the true organs of reproduction. The brake or bracken, the maidenhair, and the polypody are all well known ferns. Christmas fern. See Christmas. <botany> Climbing fern The European goatsucker. The short-eared owl. Fern shaw, a fern thicket. Origin: AS. Fearn; akin to D. Varen, G. Farn, farnkraut; cf. Skr. Parna wing, feather, leaf, sort of plant, or Lith. Papartis fern. Source: Websters Dictionary (01 Mar 1998) |
| fern allies | <botany> A group of nonflowering vascular plants comprised of club mosses (Family Lycopodiaceae), small club mosses (Family Selaginellaceae) and quillworts (Family Isoetaceae). (09 Oct 1997) |
| fern test | A test for oestrogenic activity; cervical mucus smears form a fern pattern at those times when oestrogen secretion is elevated, as at the time of ovulation; a test to detect ruptured amniotic membranes. (05 Mar 2000) |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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