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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..

Andiron :: Andiron (n.) A utensil for supporting wood when burning in a fireplace, one being placed on each side; a firedog; as, a pair of andirons..

Bevelment :: Bevelment (n.) The replacement of an edge by two similar planes, equally inclined to the including faces or adjacent planes..

Monobasic :: Monobasic (a.) Capable of being neutralized by a univalent base or basic radical; having but one acid hydrogen atom to be replaced; -- said of acids; as, acetic, nitric, and hydrochloric acids are monobasic..

Equivalent :: Equivalent (n.) That comparative quantity by weight of an element which possesses the same chemical value as other elements, as determined by actual experiment and reference to the same standard. Specifically: (a) The comparative proportions by which one element replaces another in any particular compound; thus, as zinc replaces hydrogen in hydrochloric acid, their equivalents are 32.5 and 1. (b) The combining proportion by weight of a substance, or the number expressing this proportion, in any

Argo :: Argo (n.) A large constellation in the southern hemisphere, called also Argo Navis. In modern astronomy it is replaced by its three divisions, Carina, Puppis, and Vela..

Hexad :: Hexad (n.) An atom whose valence is six, and which can be theoretically combined with, substituted for, or replaced by, six monad atoms or radicals; as, sulphur is a hexad in sulphuric acid. Also used as an adjective..

Reredos :: Reredos (n.) The back of a fireplace.

Ectostosis :: Ectostosis (n.) A process of bone formation in which ossification takes place in the perichondrium and either surrounds or gradually replaces the cartilage.

Supersede :: Supersede (v. t.) To come, or be placed, in the room of; to replace..

Biacid :: Biacid (a.) Having two hydrogen atoms which can be replaced by negative atoms or radicals to form salts; -- said of bases. See Diacid.

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

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

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..

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

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

Grasshopper :: Grasshopper (n.) In ordinary square or upright pianos of London make, the escapement lever or jack, so made that it can be taken out and replaced with the key; -- called also the hopper..

Dyad :: Dyad (a.) Having a valence or combining power of two; capable of being substituted for, combined with, or replaced by, two atoms of hydrogen; as, oxygen and calcium are dyad elements. See Valence..

Hydrosulphide :: Hydrosulphide (n.) One of a series of compounds, derived from hydrogen sulphide by the replacement of half its hydrogen by a base or basic radical; as, potassium hydrosulphide, KSH. The hydrosulphides are analogous to the hydrates and include the mercaptans..

Amide :: Amide (n.) A compound formed by the union of amidogen with an acid element or radical. It may also be regarded as ammonia in which one or more hydrogen atoms have been replaced by an acid atom or radical.

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