ETYM Old Eng. her, as. haer; akin to os. haer, Dutch hier, Old High Germ. hiar, German hier, Icel. and Goth. har, Dan. her, Swed. här; from root of Eng. he. Related to He.
(Homonym: hear).
1. In or at this place; where the speaker or writer is.
2. To this place (especially toward the speaker); SYN. hither.
3. In this circumstance or respect or on this point or detail.
4. At this time; now.

ETYM Old Eng. hider, AS. hider; akin to Icel. hêthra, Dan. hid, Swed. hit, Goth. hidrê; cf. Latin citra on this side, or Eng. here, he. Related to He.
1. (Archaic) To this place; -- used with verbs signifying motion, and implying motion toward the speaker; the correlate of hence and thither.
2. To this point or conclusion.

Explosive composed of powdered aluminium and nitrate of ammonium

Pertaining to or containing or similar to ammonia; SYN. ammoniacal.

ETYM From sal ammoniac, which was first obtaining near the temple of Jupiter Ammon, by burning camel's dung. Related to Ammoniac.
NH3 colorless pungent-smelling gas, lighter than air and very soluble in water. It is made on an industrial scale by the Haber process, and used mainly to produce nitrogenous fertilizers, some explosives, and nitric acid.
In aquatic organisms and some insects, nitrogenous waste (from breakdown of amino acids and so on) is excreted in the form of ammonia, rather than urea as in mammals.
A pungent gas compounded of nitrogen and hydrogen.

ETYM Latin Ammoniacum, Greek, a resinous gum, said to distill from a tree near the temple of Jupiter Ammon; cf. French ammoniac. Related to Ammonite.
The aromatic gum of the ammoniac plant; SYN. gum ammoniac.

Or sal volatile; A mixture of ammonium carbonate, bicarbonate, and carbamate together with other strong-smelling substances, formerly used as a restorative for dizziness or fainting.
A pungent preparation of ammonium carbonate and perfume; sniffed as a stimulant to relieve faintness.

Pertaining to or containing or similar to ammonia; SYN. ammoniacal.

Of, relating to, containing, or resembling ammonia.

The ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion; SYN. ammonium ion.

A white salt used in dry cells; SYN. sal ammoniac.
Or sal ammoniac; NH4Cl a volatile salt that forms white crystals around volcanic craters. It is prepared synthetically for use in “dry-cell” batteries, fertilizers, and dyes.
A white crystalline volatile salt NH4Cl that is used in dry cells and as an expectorant — called also sal ammoniac.

A carbonate of ammonium; used in the manufacture of smelling salts and baking powder and ammonium compounds.
(NH4)2CO3 white, crystalline solid that readily sublimes at room temperature into its constituent gases: ammonia, carbon dioxide, and water. It was formerly used in smelling salts.

A colorless crystalline salt (NH4)2SO4 used chiefly as a fertilizer.

ETYM Old Eng. harneis, harnes, Old Fren. harneis, French harnais, harnois; of Celtic origin; cf. Armor. harnez old iron, armor, W. haiarn iron, Armor. houarn, Irish iarann, Gael. iarunn. Related to Iron.
1. An arrangement of leather straps fitted to a draft animal so that it can be attached to and pull a cart.
2. An arrangement of straps for holding something to the body (especially one supporting a person suspended from a parachute).