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Octane :: Octane (n.) Any one of a group of metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin..

Lupuline :: Lupuline (n.) An alkaloid extracted from hops as a colorless volatile liquid.

Trithionic :: Trithionic (a.) Of or pertaining to, or designating, a certain thionic acid, H2S3O6 which is obtained as a colorless, odorless liquid..

Quinaldine :: Quinaldine (n.) A colorless liquid of a slightly pungent odor, C9H6N.CH3, first obtained as a condensation product of aldehyde and aniline, and regarded as a derivative of quinoline; -- called also methyl quinoline..

Salicylal :: Salicylal (n.) A thin, fragrant, colorless oil, HO.C6H4.CHO, found in the flowers of meadow sweet (Spiraea), and also obtained by oxidation of salicin, saligenin, etc. It reddens on exposure. Called also salicylol, salicylic aldehyde, and formerly salicylous, / spiroylous, acid..

Allantoin :: Allantoin (n.) A crystalline, transparent, colorless substance found in the allantoic liquid of the fetal calf; -- formerly called allantoic acid and amniotic acid..

Crystal :: Crystal (n.) The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian..

Leucoplastid :: Leucoplastid (n.) One of certain very minute whitish or colorless granules occurring in the protoplasm of plants and supposed to be the nuclei around which starch granules will form.

Sparteine :: Sparteine (n.) A narcotic alkaloid extracted from the tops of the common broom (Cytisus scoparius, formerly Spartium scoparium), as a colorless oily liquid of aniline-like odor and very bitter taste..

Chloral :: Chloral (n.) A colorless oily liquid, CCl3.CHO, of a pungent odor and harsh taste, obtained by the action of chlorine upon ordinary or ethyl alcohol..

Propione :: Propione (n.) The ketone of propionic acid, obtained as a colorless fragrant liquid..

Colorless :: Colorless (a.) Without color; not distinguished by any hue; transparent; as, colorless water..

Leucocyte :: Leucocyte (n.) A colorless corpuscle, as one of the white blood corpuscles, or those found in lymph, marrow of bone, connective tissue, etc..

Cyanogen :: Cyanogen (n.) A colorless, inflammable, poisonous gas, C2N2, with a peach-blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements, and shows a tendency to form complex compounds. The name is also applied to the u

Stibious :: Stibine (n.) Antimony hydride, or hydrogen antimonide, a colorless gas produced by the action of nascent hydrogen on antimony. It has a characteristic odor and burns with a characteristic greenish flame. Formerly called also antimoniureted hydrogen..

Picoline :: Picoline (n.) Any one of three isometric bases (C6H7N) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal-tar naphtha, as colorless mobile liquids of strong odor; -- called also methyl pyridine..

Olefiant :: Olefiant (a.) Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene..

Acetal :: Acetal (n.) A limpid, colorless, inflammable liquid from the slow oxidation of alcohol under the influence of platinum black..

Nonane :: Nonane (n.) One of a group of metameric hydrocarbons C9H20 of the paraffin series; -- so called because of the nine carbon atoms in the molecule. Normal nonane is a colorless volatile liquid, an ingredient of ordinary kerosene..

Aldehyde :: Aldehyde (n.) A colorless, mobile, and very volatile liquid obtained from alcohol by certain processes of oxidation..

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