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To change the properties of, as caoutchouc, or India rubber, by the process of vulcanization. Vulcanized fiber, paper, paper pulp, or other fiber, chemically treated, as with metallic chlorides, so as to form a substance resembling ebonite in texture, hardness, etc. Knight. -- Vulcanized rubber, India rubber, vulcaniz…

patience; to stay; not to depart. All the days of my appointed time will I wait, till my change come. Job xiv. 14. They also serve who only stand and wait. Milton. Haste, my dear father; 't is no time to wait. Dryden.

To sing with sudden changes from chest to head tones; to yodel.

king or a commander in chief, and used in signaling his will. When, lo! the king suddenly changed his mind, Casts down his warder to arrest them there. Daniel. Wafting his warder thrice about his head, He cast it up with his auspicious hand, Which was the signal, through the English spread, This they should charge. Dra…

A barometer in which the changes of atmospheric pressure are indicated by the motion of a column of water instead of mercury. It requires a column of water about thirty-three feet in height.

Vicissitude of season; meteorological change; alternation of the state of the air. Bacon.

Hence, any thing or person that turns easily and frequently; one who veers with every change of current opinion; a fickle, inconstant person.

An instrument to indicate the state of the atmosphere, especially changes of atmospheric pressure, and hence changes of weather, as a barometer or baroscope. Poor man's weatherglass. (Bot.) See under Poor.

close areas where the temperature has fallen or risen markedly. In tabular form are shown changes of pressure and of temperature, maximum and minimum temperatures, and total rain for each weather station since the last issue, usually 12 hours.

Skillful in forecasting the changes of the weather. Hakluyt.

To change direction, as if revolving upon an axis or pivot; to turn; as, the troops wheeled to the right. Being able to advance no further, they are in a fair way to wheel about to the other extreme. South.

To change from one opinion or course to another; to use evasions; to prevaricate; to be fickle. A person of whiffing and unsteady turn of mind can not keep close to a point of controversy. I. Watts.

One who whiffles, or frequently changes his opinion or course; one who uses shifts and evasions in argument; hence, a trifler. Every whiffler in a laced coat who frequents the chocolate house shall talk of the constitution. Swift.

en by shutting the eye with a significant cast. Sir. P. Sidney. The stockjobber thus from Change Alley goes down, And tips you, the freeman, a wink. Swift.

substance formed by the action of hot nitric acid on albuminous or proteid matter. It is changed to a deep orange- yellow color by the addition of ammonia.

allel or concentric layers, which usually follow the outline of the crystal, and mark the changes that have taken place during its growth. -- Zonal symmetry. (Biol.) See the Note under Symmetry.

; -- applied to such substances as, not being themselves actual ferments, may by internal changes give rise to a ferment. The pancreas contains but little ready-made ferment, though there is present in it a body, zymogen, which gives birth to the ferment. Foster.

The action of enzymes; also, the changes produced by such action. --Zy`mo*lyt"ic (#), a.