Search the Dictionary

A line drawn through points of equal temperature in a vertical section of the ocean.

Of or pertaining to an isothermobath; possessing or indicating equal temperatures in a vertical section, as of the ocean.

an equal amount of hot air into the engine cylinder. Here it expands adiabatically to the temperature of the cold chamber into which it is finally exhausted. This cycle, reversed, is used in refrigerating machines.

,432.34 grains). It is equal to the weight of a cubic decimeter of distilled water at the temperature of maximum density, or 39º Fahrenheit.

pears or becomes concealed in a body while producing some change in it other than rise of temperature, as fusion, evaporation, or expansion, the quantity being constant for each particular body and for each species of change. -- Latent period. (a) (Med.) The regular time in which a disease is supposed to be existing w…

's law (Chem.), a fundamental conception, according to which, under similar conditions of temperature and pressure, all gases and vapors contain in the same volume the same number of ultimate molecules; -- so named after Avogadro, an Italian scientist. Sometimes called Ampère's law. -- Bode's law (Astron.), an approxi…

repared by subjecting air to great pressure and then cooling it by its own expansion to a temperature below the boiling point of its constituents (N -194º C; O -183º C.).

Moderate; not intense; not inflammatory; as, low heat; a low temperature; a low fever.

To reduce the degree, intensity, strength, etc., of; as, to lower the temperature of anything; to lower one's vitality; to lower distilled liquors.

as in green apples, currants, etc. It is levorotatory or dextrorotatory according to the temperature and concentration. An artificial variety is a derivative of succinic acid, but has no action on polarized light, and thus malic acid is a remarkable case of physical isomerism.

ry. P. Colquhoun. Maximum thermometer, a thermometer that registers the highest degree of temperature attained in a given time, or since its last adjustment.

To serve as the measure of; as, the thermometer measures changes of temperature.

corded by machinery; produced by mechanography; as, a mechanographic record of changes of temperature; mechanographic prints.

solid to a liquid state under the influence of heat; as, butter and wax melt at moderate temperatures.

mething) to melt, or the process of becoming melted. Melting point (Chem.), the degree of temperature at which a solid substance melts or fuses; as, the melting point of ice is 0º Centigrade or 32º Fahr., that of urea is 132º Centigrade. -- Melting pot, a vessel in which anything is melted; a crucible.…

ble, Meteorological register, a table or register exhibiting the state of the air and its temperature, weight, dryness, moisture, motion, etc.

, a thermometer for recording the lowest temperature since its last adjustment.

motion; as, the wheelwork of a watch. Febrille movement (Med.), an elevation of the body temperature; a fever. -- Movement cure. (Med.) See Kinesiatrics. -- Movement of the bowels, an evacuation or stool; a passage or discharge.

d clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.

by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 14.4521 grams in mass, of a constant cross-sectional area, and of the length of 106.3 centimeters. As thus defined it is called the international ohm. Ohm's law (Elec.), the statement of the fact that th…