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Tetrabasic :: Tetrabasic (a.) Capable of neutralizing four molecules of a monacid base; having four hydrogen atoms capable of replacement by bases; quadribasic; -- said of certain acids; thus, normal silicic acid, Si(OH)4, is a tetrabasic acid..

Set :: Set (v. t.) To reduce from a dislocated or fractured state; to replace; as, to set a broken bone..

Fireplace :: Fireplace (n.) The part a chimney appropriated to the fire; a hearth; -- usually an open recess in a wall, in which a fire may be built..

Aniline :: Aniline (n.) An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made..

Ae :: Ae () A diphthong in the Latin language; used also by the Saxon writers. It answers to the Gr. ai. The Anglo-Saxon short ae was generally replaced by a, the long / by e or ee. In derivatives from Latin words with ae, it is mostly superseded by e. For most words found with this initial combination, the reader will therefore search under the letter E..

Chimney-piece :: Chimney-piece (n.) A decorative construction around the opening of a fireplace.

Imide :: Imide (n.) A compound with, or derivative of, the imido group; specif., a compound of one or more acid radicals with the imido group, or with a monamine; hence, also, a derivative of ammonia, in which two atoms of hydrogen have been replaced by divalent basic or acid radicals; -- frequently used as a combining form; as, succinimide..

Bibasic :: Bibasic (a.) Having to hydrogen atoms which can be replaced by positive or basic atoms or radicals to form salts; -- said of acids. See Dibasic.

Premolar :: Premolar (n.) An anterior molar tooth which has replaced a deciduous molar. See Tooth.

Bisulphate :: Bisulphate (n.) A sulphate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal sulphates; an acid sulphate..

Firedog :: Firedog (n.) A support for wood in a fireplace; an andiron.

Polyacid :: Polyacid (a.) Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; -- said of certain bases; as, calcium hydrate and glycerin are polyacid bases..

Syenitic :: Syenite (n.) A granular, crystalline, ingeous rock composed of orthoclase and hornblende, the latter often replaced or accompanied by pyroxene or mica. Syenite sometimes contains nephelite (elaeolite) or leucite, and is then called nephelite (elaeolite) syenite or leucite syenite..

Dog :: Dog (n.) An iron for holding wood in a fireplace; a firedog; an andiron.

Dibasic :: Dibasic (a.) Having two acid hydrogen atoms capable of replacement by basic atoms or radicals, in forming salts; bibasic; -- said of acids, as oxalic or sulphuric acids. Cf. Diacid, Bibasic..

Reenthrone :: Reenthrone (v. t.) To enthrone again; to replace on a throne.

Fireboard :: Fireboard (n.) A chimney board or screen to close a fireplace when not in use.

Monacid :: Monacid (a.) Having one hydrogen atom replaceable by a negative or acid atom or radical; capable of neutralizing a monobasic acid; -- said of bases, and of certain metals..

Restore :: Restore (v. t.) To give or bring back, as that which has been lost., or taken away; to bring back to the owner; to replace..

Molar :: Molar (n.) Any one of the teeth back of the incisors and canines. The molar which replace the deciduous or milk teeth are designated as premolars, and those which are not preceded by deciduous teeth are sometimes called true molars. See Tooth..

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