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The measurement of the strength of acids, especially by a chemical process based on the law of chemical combinations, or the fact that, to produce a complete reaction, a certain definite weight of reagent is required. -- Ac`id*i*met"ric*al, a.

The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.

An instrument for measuring and recording the variations in the actinic or chemical force of rays of light. Nichol.

The science which treats of rays of light, especially of the actinic or chemical rays.

The measurement of the chemical or actinic energy of light. Abney.

To expose to the chemical action of air; to oxygenate (the blood) by respiration; to arterialize. Aërated bread, bread raised by charging dough with carbonic acid gas, instead of generating the gas in the dough by fermentation.

sensible distance, between the heterogeneous particles of bodies, and unites them to form chemical compounds; chemism; chemical or elective affinity or attraction.

An active power or cause; that which has the power to produce an effect; as, a physical, chemical, or medicinal agent; as, heat is a powerful agent.

es the union of words may be compared to mechanical compounds, in inflective languages to chemical compounds. R. Morris. Cf. man-kind, heir-loom, war-like, which are agglutinative compounds. The Finnish, Hungarian, Turkish, the Tamul, etc., are agglutinative languages. R. Morris. Agglutinative languages preserve the co…

nd solid, also in many plants. It is soluble in water is coagulated by heat ad by certain chemical reagents. Acid albumin, a modification of albumin produced by the action of dilute acids. It is not coagulated by heat. -- Alkali albumin, albumin as modified by the action of alkaline substances; -- called also albumina…

See Alchemic, Alchemist, Alchemistic, Alchemy.

A class of compounds analogous to vinic alcohol in constitution. Chemically speaking, they are hydroxides of certain organic radicals; as, the radical ethyl forms common or ethyl alcohol (C2H5OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc.…

Variability in chemical constitution without variation in crystalline form.

he property of existing in two or more conditions which are distinct in their physical or chemical relations.

Uniting the chemical rays of light into one focus, as a certain kind of lens; amacratic.

A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.

The separation of a compound substance, by chemical processes, into its constituents, with a view to ascertain either (a) what elements it contains, or (b) how much of each element is present. The former is called qualitative, and the latter quantitative analysis.

who analyzes; formerly, one skilled in algebraical geometry; now commonly, one skilled in chemical analysis.

An electro-negative element, or the element which, in electro- chemical decompositions, is evolved at the anode; -- opposed to cation. Faraday.

ntary substance, resembling a metal in its appearance and physical properties, but in its chemical relations belonging to the class of nonmetallic substances. Atomic weight, 120. Symbol, Sb.