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Hasil cari dari kata atau frase: H2O (0.01087 detik)
Found 2 items, similar to H2O.
English → English (WordNet) Definition: H2O H2O n : binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent [syn: water]
English → English (gcide) Definition: H2O H2O \H2O\ n. ([=a]ch`t[=oo]`[=o]"), The chemical formula for water. Syn: water, hydrogen oxide. [WordNet 1.5] Molecular \Mo*lec"u*lar\, a. [Cf. F. mol['e]culare. See Molecule.] (Phys. & Chem.) Pertaining to, connected with, produced by, or consisting of, molecules; as, molecular forces; molecular groups of atoms, etc. [1913 Webster] Molecular attraction (Phys.), attraction acting between the molecules of bodies, and at insensible distances. Molecular weight (Chem.), the weight of a molecule of any gas or vapor as compared with the hydrogen atom having weight of 1 as a standard; the sum of the atomic weights of the constituents of a molecule; thus, the molecular weight of water (H2O) is 18. For more precise measurements, the weight of the carbon isotope carbon-12 is used as the standard, that isotope having the value of 12.000. In this systen, now used almost universally, the hydrogen atom has a weight of 1.0079. [1913 Webster +PJC] Type \Type\, n. [F. type; cf. It. tipo, from L. typus a figure, image, a form, type, character, Gr. ? the mark of a blow, impression, form of character, model, from the root of ? to beat, strike; cf. Skr. tup to hurt.] [1913 Webster] 1. The mark or impression of something; stamp; impressed sign; emblem. [1913 Webster] The faith they have in tennis, and tall stockings, Short blistered breeches, and those types of travel. --Shak. [1913 Webster] 2. Form or character impressed; style; semblance. [1913 Webster] Thy father bears the type of king of Naples. --Shak. [1913 Webster] 3. A figure or representation of something to come; a token; a sign; a symbol; -- correlative to antitype. [1913 Webster] A type is no longer a type when the thing typified comes to be actually exhibited. --South. [1913 Webster] 4. That which possesses or exemplifies characteristic qualities; the representative. Specifically: (a) (Biol.) A general form or structure common to a number of individuals; hence, the ideal representation of a species, genus, or other group, combining the essential characteristics; an animal or plant possessing or exemplifying the essential characteristics of a species, genus, or other group. Also, a group or division of animals having a certain typical or characteristic structure of body maintained within the group. [1913 Webster] Since the time of Cuvier and Baer . . . the whole animal kingdom has been universally held to be divisible into a small number of main divisions or types. --Haeckel. [1913 Webster] (b) (Fine Arts) The original object, or class of objects, scene, face, or conception, which becomes the subject of a copy; esp., the design on the face of a medal or a coin. [1913 Webster] (c) (Chem.) A simple compound, used as a mode or pattern to which other compounds are conveniently regarded as being related, and from which they may be actually or theoretically derived. [1913 Webster] Note: The fundamental types used to express the simplest and most essential chemical relations are hydrochloric acid, HCl; water, H2O; ammonia, NH3; and methane, CH4. [1913 Webster] 5. (Typog.) (a) A raised letter, figure, accent, or other character, cast in metal or cut in wood, used in printing. (b) Such letters or characters, in general, or the whole quantity of them used in printing, spoken of collectively; any number or mass of such letters or characters, however disposed. [1913 Webster] Note: Type are mostly made by casting type metal in a mold, though some of the larger sizes are made from maple, mahogany, or boxwood. In the cut, a is the body; b, the face, or part from which the impression is taken; c, the shoulder, or top of the body; d, the nick (sometimes two or more are made), designed to assist the compositor in distinguishing the bottom of the face from t`e top; e, the groove made in the process of finishing, -- each type as cast having attached to the bottom of the body a jet, or small piece of metal (formed by the surplus metal poured into the mold), which, when broken off, leaves a roughness that requires to be removed. The fine lines at the top and bottom of a letter are technically called ceriphs, and when part of the face projects over the body, as in the letter f, the projection is called a kern. [1913 Webster] The type which compose an ordinary book font consist of Roman CAPITALS, small capitals, and lower-case letters, and Italic CAPITALS and lower-case letters, with accompanying figures, points, and reference marks, -- in all about two hundred characters. Including the various modern styles of fancy type, some three or four hundred varieties of face are made. Besides the ordinary Roman and Italic, some of the most important of the varieties are [1913 Webster] Old English. Black Letter. Old Style. French Elzevir. Boldface. Antique. Clarendon. Gothic. Typewriter. Script. [1913 Webster] The smallest body in common use is diamond; then follow in order of size, pearl, agate, nonpareil, minion, brevier, bourgeois (or two-line diamond), long primer (or two-line pearl), small pica (or two-line agate), pica (or two-line nonpareil), English (or two-line minion), Columbian (or two-line brevier), great primer (two-line bourgeois), paragon (or two-line long primer), double small pica (or two-line small pica), double pica (or two-line pica), double English (or two-line English), double great primer (or two-line great primer), double paragon (or two-line paragon), canon (or two-line double pica). Above this, the sizes are called five-line pica, six-line pica, seven-line pica, and so on, being made mostly of wood. The following alphabets show the different sizes up to great primer. [1913 Webster] Brilliant . . abcdefghijklmnopqrstuvwxyz Diamond . . abcdefghijklmnopqrstuvwxyz Pearl . . . abcdefghijklmnopqrstuvwxyz Agate . . . abcdefghijklmnopqrstuvwxyz Nonpareil . . . abcdefghijklmnopqrstuvwxyz Minion . . . abcdefghijklmnopqrstuvwxyz Brevier . . . abcdefghijklmnopqrstuvwxyz Bourgeois . . abcdefghijklmnopqrstuvwxyz Long primer . . . abcdefghijklmnopqrstuvwxyz Small pica . . abcdefghijklmnopqrstuvwxyz Pica . . . . . abcdefghijklmnopqrstuvwxyz English . . . abcdefghijklmnopqrstuvwxyz Columbian . . . abcdefghijklmnopqrstuvwxyz Great primer . . . abcdefghijklmnopqrstuvwxyz [1913 Webster] The foregoing account is conformed to the designations made use of by American type founders, but is substantially correct for England. Agate, however, is called ruby, in England, where, also, a size intermediate between nonpareil and minion is employed, called emerald. [1913 Webster] Point system of type bodies (Type Founding), a system adopted by the type founders of the United States by which the various sizes of type have been so modified and changed that each size bears an exact proportional relation to every other size. The system is a modification of a French system, and is based on the pica body. This pica body is divided into twelfths, which are termed “points,” and every type body consist of a given number of these points. Many of the type founders indicate the new sizes of type by the number of points, and the old names are gradually being done away with. By the point system type founders cast type of a uniform size and height, whereas formerly fonts of pica or other type made by different founders would often vary slightly so that they could not be used together. There are no type in actual use corresponding to the smaller theoretical sizes of the point system. In some cases, as in that of ruby, the term used designates a different size from that heretofore so called. [1913 Webster] 1 American 9 Bourgeois [bar] [bar] 11/2 German [bar] 2 Saxon 10 Long Primer [bar] [bar] 21/2 Norse [bar] 3 Brilliant 11 Small Pica [bar] [bar] 31/2 Ruby 12 Pica [bar] [bar] 4 Excelsior [bar] 41/2 Diamond 14 English [bar] [bar] 5 Pearl 16 Columbian [bar] [bar] 51/2 Agate [bar] 6 Nonpareil 18 Great Primer [bar] [bar] 7 Minion [bar] 8 Brevier 20 Paragon [bar] [bar] Diagram of the “points” by which sizes of Type are graduated in the “Point System”. [1913 Webster] Type founder, one who casts or manufacture type. Type foundry, Type foundery, a place for the manufacture of type. Type metal, an alloy used in making type, stereotype plates, etc., and in backing up electrotype plates. It consists essentially of lead and antimony, often with a little tin, nickel, or copper. Type wheel, a wheel having raised letters or characters on its periphery, and used in typewriters, printing telegraphs, etc. Unity of type (Biol.), that fundamental agreement in structure which is seen in organic beings of the same class, and is quite independent of their habits of life. --Darwin. [1913 Webster] Water \Wa"ter\ (w[add]"t[~e]r), n. [AS. w[ae]ter; akin to OS. watar, OFries. wetir, weter, LG. & D. water, G. wasser, OHG. wazzar, Icel. vatn, Sw. vatten, Dan. vand, Goth. wat[=o], O. Slav. & Russ. voda, Gr. 'y`dwr, Skr. udan water, ud to wet, and perhaps to L. unda wave. [root]137. Cf. Dropsy, Hydra, Otter, Wet, Whisky.] 1. The fluid which descends from the clouds in rain, and which forms rivers, lakes, seas, etc. “We will drink water.” --Shak. “Powers of fire, air, water, and earth.” --Milton. [1913 Webster] Note: Pure water consists of hydrogen and oxygen, H2O, and is a colorless, odorless, tasteless, transparent liquid, which is very slightly compressible. At its maximum density, 39[deg] Fahr. or 4[deg] C., it is the standard for specific gravities, one cubic centimeter weighing one gram. It freezes at 32[deg] Fahr. or 0[deg] C. and boils at 212[deg] Fahr. or 100[deg] C. (see Ice, Steam). It is the most important natural solvent, and is frequently impregnated with foreign matter which is mostly removed by distillation; hence, rain water is nearly pure. It is an important ingredient in the tissue of animals and plants, the human body containing about two thirds its weight of water. [1913 Webster] 2. A body of water, standing or flowing; a lake, river, or other collection of water. [1913 Webster] Remembering he had passed over a small water a poor scholar when first coming to the university, he kneeled. --Fuller. [1913 Webster] 3. Any liquid secretion, humor, or the like, resembling water; esp., the urine. [1913 Webster] 4. (Pharm.) A solution in water of a gaseous or readily volatile substance; as, ammonia water. --U. S. Pharm. [1913 Webster] 5. The limpidity and luster of a precious stone, especially a diamond; as, a diamond of the first water, that is, perfectly pure and transparent. Hence, of the first water, that is, of the first excellence. [1913 Webster] 6. A wavy, lustrous pattern or decoration such as is imparted to linen, silk, metals, etc. See Water, v. t., 3, Damask, v. t., and Damaskeen. [1913 Webster] 7. An addition to the shares representing the capital of a stock company so that the aggregate par value of the shares is increased while their value for investment is diminished, or “diluted.” [Brokers' Cant] [1913 Webster] Note: Water is often used adjectively and in the formation of many self-explaining compounds; as, water drainage; water gauge, or water-gauge; waterfowl, water-fowl, or water fowl; water-beaten; water-borne, water-circled, water-girdled, water-rocked, etc. [1913 Webster] Hard water. See under Hard. Inch of water, a unit of measure of quantity of water, being the quantity which will flow through an orifice one inch square, or a circular orifice one inch in diameter, in a vertical surface, under a stated constant head; also called miner's inch, and water inch. The shape of the orifice and the head vary in different localities. In the Western United States, for hydraulic mining, the standard aperture is square and the head from 4 to 9 inches above its center. In Europe, for experimental hydraulics, the orifice is usually round and the head from 1/2 of an inch to 1 inch above its top. Mineral water, waters which are so impregnated with foreign ingredients, such as gaseous, sulphureous, and saline substances, as to give them medicinal properties, or a particular flavor or temperature. Soft water, water not impregnated with lime or mineral salts. To hold water. See under Hold, v. t. To keep one's head above water, to keep afloat; fig., to avoid failure or sinking in the struggles of life. [Colloq.] To make water. (a) To pass urine. --Swift. (b) (Naut.) To admit water; to leak. Water of crystallization (Chem.), the water combined with many salts in their crystalline form. This water is loosely, but, nevertheless, chemically, combined, for it is held in fixed and definite amount for each substance containing it. Thus, while pure copper sulphate, CuSO4, is a white amorphous substance, blue vitriol, the crystallized form, CuSO4.5H2O, contains five molecules of water of crystallization. Water on the brain (Med.), hydrocephalus. Water on the chest (Med.), hydrothorax. [1913 Webster] Note: Other phrases, in which water occurs as the first element, will be found in alphabetical order in the Vocabulary. [1913 Webster]

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