Definition of Hydri. Meaning of Hydri. Synonyms of Hydri

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Definition of Hydri

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Anhydride
Anhydride An*hy"dride, n. [See Anhydrous.] (Chem.) An oxide of a nonmetallic body or an organic radical, capable of forming an acid by uniting with the elements of water; -- so called because it may be formed from an acid by the abstraction of water.
Anhydrite
Anhydrite An*hy"drite, n. [See Anhydrous.] (Min.) A mineral of a white or a slightly bluish color, usually massive. It is anhydrous sulphate of lime, and differs from gypsum in not containing water (whence the name).
Carbohydride
Carbohydride Car`bo*hy"dride, n. [Carbon + hydrogen.] (Chem.) A hydrocarbon.
Chlorhydric
Chlorhydric Chlor`hy"dric, a. [Chlorine + hydrogen + -ic.] (Chem.) Same as Hydrochloric.
Chlorhydrin
Chlorhydrin Chlor`hy"drin, n. (Chem.) One of a class of compounds formed from certain polybasic alcohols (and especially glycerin) by the substitution of chlorine for one or more hydroxyl groups.
Chromic anhydride
Chromic Chro"mic, a. (Chem.) Pertaining to, or obtained from, chromium; -- said of the compounds of chromium in which it has its higher valence. Chromic acid, an acid, H2CrO4, analogous to sulphuric acid, not readily obtained in the free state, but forming well known salts, many of which are colored pigments, as chrome yellow, chrome red, etc. Chromic anhydride, a brilliant red crystalline substance, CrO3, regarded as the anhydride of chromic acid. It is one of the most powerful oxidizers known.
Conhydrine
Conhydrine Con*hy"drine (? or ?), n. [Conium + hydrate.] (Chem.) A vegetable alkaloid found with conine in the poison hemlock (Conium maculatum). It is a white crystalline substance, C8H17NO, easily convertible into conine.
Fluohydric
Fluohydric Flu`o*hy"dric, a. [Fluo- + hydrogen.] (Chem.) See Hydrofluoric.
Hydria
Hydria Hy"dri*a, n. [L., fr. Gr. ?.] (Gr. Antiq.) A water jar; esp., one with a large rounded body, a small neck, and three handles. Some of the most beautiful Greek vases are of this form.
Hydriad
Hydriad Hy"dri*ad, n. [Gr. ?, ?, of the water, fr. "y`dwr water.] (Myth.) A water nymph.
Hydric
Hydric Hy"dric, a. [From Hydrogen.] (Chem.) Pertaining to, or containing, hydrogen; as, hydric oxide. Hydric dioxide. (Chem.) See Hydrogen dioxide, under Hydrogen. Hydric oxide (Chem.), water. Hydric sulphate (Chem.), hydrogen sulphate or sulphuric acid.
Hydric dioxide
Hydric Hy"dric, a. [From Hydrogen.] (Chem.) Pertaining to, or containing, hydrogen; as, hydric oxide. Hydric dioxide. (Chem.) See Hydrogen dioxide, under Hydrogen. Hydric oxide (Chem.), water. Hydric sulphate (Chem.), hydrogen sulphate or sulphuric acid.
Hydric oxide
Hydric Hy"dric, a. [From Hydrogen.] (Chem.) Pertaining to, or containing, hydrogen; as, hydric oxide. Hydric dioxide. (Chem.) See Hydrogen dioxide, under Hydrogen. Hydric oxide (Chem.), water. Hydric sulphate (Chem.), hydrogen sulphate or sulphuric acid.
Hydric sulphate
Hydric Hy"dric, a. [From Hydrogen.] (Chem.) Pertaining to, or containing, hydrogen; as, hydric oxide. Hydric dioxide. (Chem.) See Hydrogen dioxide, under Hydrogen. Hydric oxide (Chem.), water. Hydric sulphate (Chem.), hydrogen sulphate or sulphuric acid.
hydric-sodic-ammonic-phosphate
Microcosmic Mi`cro*cos"mic, Microcosmical Mi`cro*cos"mic*al, a. [Cf. F. microcosmique.] Of or pertaining to the microcosm. Microcosmic salt (Chem.), a white crystalline substance obtained by mixing solutions of sodium phosphate and ammonium phosphate, and also called hydric-sodic-ammonic-phosphate. It is a powerful flux, and is used as a substitute for borax as a blowpipe reagent in testing for the metallic oxides. Originally obtained by the alchemists from human urine, and called sal microcosmicum.
Hydride
Hydride Hy"dride, n. [Hydr- + ide.] (Chem.) A compound of the binary type, in which hydrogen is united with some other element.
Hydriform
Hydriform Hy"dri*form, a. [Hydra + -form.] (Zo["o]l.) Having the form or structure of a hydra.
Hydrina
Hydrina Hy*dri"na, n. pl. [NL. See Hydra.] (Zo["o]l.) The group of hydroids to which the fresh-water hydras belong.
Hydriodate
Hydriodate Hy*dri"o*date, n. [Cf. F. hydriodate.] (Zo["o]l.) Same as Hydriodide.
Hydriodic
Hydriodic Hy`dri*od"ic, a. [Hydr- + iodic: cf. F. hydriodique.] (Chem.) Pertaining to, or derived from, hydrogen and iodine; -- said of an acid produced by the combination of these elements. Hydriodic acid (Chem.), a pungent, colorless gas, HI, usually prepared as a solution in water. It is strong reducing agent. Called also hydrogen iodide.
Hydriodic acid
Hydriodic Hy`dri*od"ic, a. [Hydr- + iodic: cf. F. hydriodique.] (Chem.) Pertaining to, or derived from, hydrogen and iodine; -- said of an acid produced by the combination of these elements. Hydriodic acid (Chem.), a pungent, colorless gas, HI, usually prepared as a solution in water. It is strong reducing agent. Called also hydrogen iodide.
Hydriodide
Hydriodide Hy*dri"o*dide, n. (Chem.) A compound of hydriodic acid with a base; -- distinguished from an iodide, in which only the iodine combines with the base.
Iodhydrin
Iodhydrin I`od*hy"drin, n. [Iod- + chlorhydrin.] (Chem.) One of a series of compounds containing iodine, and analogous to the chlorhydrins.
muriatic chlorhydric acid
Hydrochloric Hy`dro*chlo"ric, a. [Hydro-, 2 + chloric: cf. F. hydrochlorique.] (Chem.) Pertaining to, or compounded of, chlorine and hydrogen gas; as, hydrochloric acid; chlorhydric. Hydrochloric acid (Chem.), hydrogen chloride; a colorless, corrosive gas, HCl, of pungent, suffocating odor. It is made in great quantities in the soda process, by the action of sulphuric acid on common salt. It has a great affinity for water, and the commercial article is a strong solution of the gas in water. It is a typical acid, and is an indispensable agent in commercial and general chemical work. Called also muriatic, & chlorhydric, acid.
Nitric anhydride
Nitric Ni"tric, a. [Cf. F. nitrique. See Niter.] (Chem.) Of, pertaining to, or containing, nitrogen; specifically, designating any one of those compounds in which, as contrasted with nitrous compounds, the element has a higher valence; as, nitric oxide; nitric acid. Nitric acid, a colorless or yellowish liquid obtained by distilling a nitrate with sulphuric acid. It is powerfully corrosive, being a strong acid, and in decomposition a strong oxidizer. Nitric anhydride, a white crystalline oxide of nitrogen (N2O5), called nitric pentoxide, and regarded as the anhydride of nitric acid. Nitric oxide, a colorless poisous gas (NO) obtained by treating nitric acid with copper. On contact with the air or with oxygen, it becomes reddish brown from the formation of nitric dioxide or peroxide.
propyl hydride
Propane Pro"pane, n. [Propyl + methane.] (Chem.) A heavy gaseous hydrocarbon, C3H8, of the paraffin series, occurring naturally dissolved in crude petroleum, and also made artificially; -- called also propyl hydride.
Selenhydric
Selenhydric Sel`en*hy"dric, a. (Chem.) Of, pertaining to, or designating, hydrogen selenide, H2Se, regarded as an acid analogous to sulphydric acid.
silicon hydride
Silicide Sil"i*cide, n. (Chem.) A binary compound of silicon, or one regarded as binary. [R.] Hydrogen silicide (Chem.), a colorless, spontaneously inflammable gas, SiH4, produced artifically from silicon, and analogous to methane; -- called also silico-methane, silicon hydride, and formerly siliciureted hydrogen.
sulphuric anhydride
Sulphur Sul"phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast beds mixed with gypsum and various earthy materials, from which it is melted out. Symbol S. Atomic weight 32. The specific gravity of ordinary octohedral sulphur is 2.05; of prismatic sulphur, 1.96. Note: It is purified by distillation, and is obtained as a lemon-yellow powder (by sublimation), called flour, or flowers, of sulphur, or in cast sticks called roll sulphur, or brimstone. It burns with a blue flame and a peculiar suffocating odor. It is an ingredient of gunpowder, is used on friction matches, and in medicine (as a laxative and insecticide), but its chief use is in the manufacture of sulphuric acid. Sulphur can be obtained in two crystalline modifications, in orthorhombic octahedra, or in monoclinic prisms, the former of which is the more stable at ordinary temperatures. Sulphur is the type, in its chemical relations, of a group of elements, including selenium and tellurium, called collectively the sulphur group, or family. In many respects sulphur resembles oxygen. 2. (Zo["o]l.) Any one of numerous species of yellow or orange butterflies of the subfamily Pierin[ae]; as, the clouded sulphur (Eurymus, or Colias, philodice), which is the common yellow butterfly of the Eastern United States. Amorphous sulphur (Chem.), an elastic variety of sulphur of a resinous appearance, obtained by pouring melted sulphur into water. On standing, it passes back into a brittle crystalline modification. Liver of sulphur. (Old Chem.) See Hepar. Sulphur acid. (Chem.) See Sulphacid. Sulphur alcohol. (Chem.) See Mercaptan. Sulphur auratum [L.] (Old Chem.), a golden yellow powder, consisting of antimonic sulphide, Sb2S5, -- formerly a famous nostrum. Sulphur base (Chem.), an alkaline sulphide capable of acting as a base in the formation of sulphur salts according to the old dual theory of salts. [Archaic] Sulphur dioxide (Chem.), a colorless gas, SO2, of a pungent, suffocating odor, produced by the burning of sulphur. It is employed chiefly in the production of sulphuric acid, and as a reagent in bleaching; -- called also sulphurous anhydride, and formerly sulphurous acid. Sulphur ether (Chem.), a sulphide of hydrocarbon radicals, formed like the ordinary ethers, which are oxides, but with sulphur in the place of oxygen. Sulphur salt (Chem.), a salt of a sulphacid; a sulphosalt. Sulphur showers, showers of yellow pollen, resembling sulphur in appearance, often carried from pine forests by the wind to a great distance. Sulphur trioxide (Chem.), a white crystalline solid, SO3, obtained by oxidation of sulphur dioxide. It dissolves in water with a hissing noise and the production of heat, forming sulphuric acid, and is employed as a dehydrating agent. Called also sulphuric anhydride, and formerly sulphuric acid. Sulphur whale. (Zo["o]l.) See Sulphur-bottom. Vegetable sulphur (Bot.), lycopodium powder. See under Lycopodium.
Sulphuric anhydride
Sulphuric Sul*phu"ric, a. [Cf. F. sulfurique.] 1. Of or pertaining to sulphur; as, a sulphuric smell. 2. (Chem.) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a higher valence as contrasted with the sulphurous compounds; as, sulphuric acid. Sulphuric acid. (a) Sulphur trioxide (see under Sulphur); -- formerly so called on the dualistic theory of salts. [Obs.] (b) A heavy, corrosive, oily liquid, H2SO4, colorless when pure, but usually yellowish or brownish, produced by the combined action of sulphur dioxide, oxygen (from the air), steam, and nitric fumes. It attacks and dissolves many metals and other intractable substances, sets free most acids from their salts, and is used in the manufacture of hydrochloric and nitric acids, of soda, of bleaching powders, etc. It is also powerful dehydrating agent, having a strong affinity for water, and eating and corroding paper, wood, clothing, etc. It is thus used in the manufacture of ether, of imitation parchment, and of nitroglycerin. It is also used in etching iron, in removing iron scale from forgings, in petroleum refining, etc., and in general its manufacture is the most important and fundamental of all the chemical industries. Formerly called vitriolic acid, and now popularly vitriol, and oil of vitriol. Fuming sulphuric acid, or Nordhausen sulphuric acid. See Disulphuric acid, under Disulphuric. Sulphuric anhydride, sulphur trioxide. See under Sulphur. Sulphuric ether, common an[ae]sthetic ether; -- so called because made by the catalytic action of sulphuric acid on alcohol. See Ether, 3 (a) .

Meaning of Hydri from wikipedia

- Beta Hydri (β Hyi, β Hydri) is a star in the southern cir****polar constellation of Hydrus. (Note that Hydrus is not the same as Hydra.) With an apparent...
- 8-magnitude Beta Hydri, also the closest reasonably bright star to the south celestial pole. Pulsating between magnitude 3.26 and 3.33, Gamma Hydri is a variable...
- designation Eta Hydri (η Hyi / η Hydri) is shared by two stars, in the constellation Hydrus: η1 Hydri, also HD 11733, a B-type main-sequence star η2 Hydri, also...
- Eta2 Hydri b (η2 Hyi b, η2 Hydri b), commonly known as HD 11977 b, is an extrasolar planet that is approximately 217 light-years away in the constellation...
- Alpha Hydri, Latinized from α Hydri, is the second brightest star in the southern cir****polar constellation of Hydrus. It is readily visible to the naked...
- Theta Hydri, Latinized from θ Hydri, is a blue-white hued star in the southern constellation of Hydrus. It is faintly visible to the naked eye with an...
- This is the list of notable stars in the constellation Hydrus, sorted by decreasing brightness. List of stars by constellation ESA (1997). "The Hipparcos...
- ν Hydri, Latinized as Nu Hydri, is a single star in the southern cir****polar constellation of Hydrus. It is orange-hued and faintly visible to the naked...
- Delta Hydri, Latinized from δ Hydri, is a single, white-hued star in the southern constellation of Hydrus. It is bright enough to be faintly visible to...
- from the genitive not appearing in the base name (as in Hyi for Hydrus/Hydri, to avoid confusion with Hydra, abbreviated Hya; and Sge for Sagitta/Sagittae...