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A borosilicate of iron and lime, near datolite in form and composition.

Any substance, as a easting of iron, a piece of worm-eaten wood, or of triple, etc., perforated with cells like a honeycomb. Honeycomb moth (Zoöl.), the wax moth. -- Honeycomb stomach. (Anat.) See Reticulum.

. -- Half-round hoop, a wooden hoop left rounding and undressed on the outside. -- Hoop iron, iron in thin narrow strips, used for making hoops. -- Hoop lock, the fastening for uniting the ends of wooden hoops by notching and interlocking them. -- Hoop skirt, a framework of hoops for expanding the skirts of a woman…

-- Hop hornbeam (Bot.), an American tree of the genus Ostrya (O.Virginica) the American ironwood; also, a European species (O. vulgaris). -- Hop moth (Zoöl.), a moth (Hypena humuli), which in the larval state is very injurious to hop vines. -- Hop picker, one who picks hops. -- Hop pole, a pole used to support hop…

An appliance for the destruction of insects, consisting of a shallow iron box, containing kerosene or coated with tar or other sticky substance, which may be mounted on wheels.

ry hard. It is common along the banks of streams in the United States, and is also called ironwood. The English hornbeam is C. Betulus. The American is called also blue beech and water beech. Hop hornbeam. (Bot.) See under Hop.

uminous division of the species, and is also characterized by its containing considerable iron. Also used as a general term to include the whole species. Hornblende schist (Geol.), a hornblende rock of schistose structure.

An iron bar for a sheet traveler to slide upon.

A shoe for horses, consisting of a narrow plate of iron in form somewhat like the letter U, nailed to a horse's hoof.

Acrid; biting; pungent; as, hot as mustard. Hot bed (Iron Manuf.), an iron platform in a rolling mill, on which hot bars, rails, etc., are laid to cool. -- Hot wall (Gardening), a wall provided with flues for the conducting of heat, to hasten the growth of fruit trees or the ripening of fruit. -- Hot well (Condensing…

More or less brittle when heated; as, hot-short iron.

And dogs in corners set them down to howl. Drayton. Methought a legion of foul fiends Environ'd me about, and howled in my ears. Shak.

An iron bucket for hoisting coal or ore. Raymond.

parent vitreous brown color, found in the ejected masses of Vesuvius. It is a silicate of iron and magnesia, containing fluorine.

A movable frame of wattled twigs, osiers, or withes and stakes, or sometimes of iron, used for inclosing land, for folding sheep and cattle, for gates, etc.; also, in fortification, used as revetments, and for other purposes.

Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen; as, hydroferricyanic acid. See Ferricyanic.

Pertaining to, or containing, or obtained from, hydrogen, ferrous iron, and cyanogen; as, hydroferrocyanic acid. See Ferrocyanic.

y ways, but is chiefly obtained by the action of acids (as sulphuric) on metals, as zinc, iron, etc. It is very inflammable, and is an ingredient of coal gas and water gas. It is standard of chemical equivalents or combining weights, and also of valence, being the typical monad. Symbol H. Atomic weight 1.…

feldspar, the crystals of which are very clear like ice; rhyacolite. -- Ice tongs, large iron nippers for handling ice. -- Ice water. (a) Water cooled by ice. (b) Water formed by the melting of ice. -- Ice yacht. See Ice boat (above). -- To break the ice. See under Break. -- Water ice, a confection consisting of w…

; to heat strongly; -- often said of incombustible or infusible substances; as, to ignite iron or platinum.