Definition of unstable

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Unstable (a.) Not stable; not firm, fixed, or constant; subject to change or overthrow..

Lern More About Unstable

Pendulous :: Pendulous (a.) Wavering; unstable; doubtful.
Saccharonic :: Saccharonic (a.) Of, pertaining to, or derived from, saccharone; specifically, designating an unstable acid which is obtained from saccharone (a) by hydration, and forms a well-known series of salts..
Flitty :: Flitty (a.) Unstable; fluttering.
Sap :: Sap (v. t.) To make unstable or infirm; to unsettle; to weaken.
Sodium :: Sodium (n.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so readily oxidized that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used combined in many salts, in the free state as a reducer, and as a means of obtaining other metals (as magnesium and aluminium) is an important commercial product. Symbol
Slippery :: Slippery (a.) Unstable; changeable; mutable; uncertain; inconstant; fickle.
Frothy :: Frothy (superl.) Not firm or solid; soft; unstable.
Detonation :: Detonation (n.) An explosion or sudden report made by the instantaneous decomposition or combustion of unstable substances' as, the detonation of gun cotton..
Fast :: Fast (v.) Firmly fixed; closely adhering; made firm; not loose, unstable, or easily moved; immovable; as, to make fast the door..
Flit :: Flit (v. i.) To be unstable; to be easily or often moved.
Nitroprussic :: Nitroprussic (a.) Pertaining to, derived from, or designating, a complex acid called nitroprussic acid, obtained indirectly by the action of nitric acid on potassium ferrocyanide (yellow prussiate), as a red crystalline unstable substance. It forms salts called nitroprussides, which give a rich purple color with alkaline subphides..
Voluble :: Voluble (a.) Changeable; unstable; fickle.
Sulphinide :: Sulphinic (a.) Of, pertaining to, or designating, any one of a series of acids regarded as acid ethereal salts of hyposulphurous acid; as, methyl sulphinic acid, CH3.SO.OH, a thick unstable liquid..
Flux :: Flux (n.) Flowing; unstable; inconstant; variable.
Nitroglycerin :: Nitroglycerin (n.) A liquid appearing like a heavy oil, colorless or yellowish, and consisting of a mixture of several glycerin salts of nitric acid, and hence more properly called glycerin nitrate. It is made by the action of nitric acid on glycerin in the presence of sulphuric acid. It is extremely unstable and terribly explosive. A very dilute solution is used in medicine as a neurotic under the name of glonion..
Fickle :: Fickle (a.) Not fixed or firm; liable to change; unstable; of a changeable mind; not firm in opinion or purpose; inconstant; capricious; as, Fortune's fickle wheel..
Unhinge :: Unhinge (v. t.) To render unstable or wavering; to unsettle; as, to unhinge one's mind or opinions; to unhinge the nerves..
Unstable :: Unstable (a.) Not stable; not firm, fixed, or constant; subject to change or overthrow..
Instable :: Instable (a.) Not stable; not standing fast or firm; unstable; prone to change or recede from a purpose; mutable; inconstant.
Thiosulphuric :: Thiosulphuric (a.) Of, pertaining to, or designating, an unstable acid, H2S2O3, analogous to sulphuric acid, and formerly called hyposulphurous acid..
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