from The Century Dictionary.

  • Having or containing an equal number of molecules.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry Containing the same number of molecules (of two or more compounds)


Sorry, no etymologies found.


  • These "equimolecular" masses are determined for the various chemical species, as soon as one of them has been chosen.

    Jean Baptiste Perrin - Nobel Lecture

  • Pat., 297,188, such mixtures are obtained by nitrating benzylchloride and heating with an equimolecular amount of sodium sulphite; the sodium nitrobenzylsulphonate thus obtained is reduced to aminobenzylsulphonic acid with iron and acetic acid, and finally condensed with the calculated amount of _p_-toluenesulphonic chloride.

    Synthetic Tannins

  • In commerce three brands of aniline are distinguished -- aniline oil for blue, which is pure aniline; aniline oil for red, a mixture of equimolecular quantities of aniline and ortho - and para-toluidines; and aniline oil for safranine, which contains aniline and ortho-toluidine, and is obtained from the distillate (_échappés_) of the fuchsine fusion.

    Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1

  • _Chloride of lime_ or "bleaching powder" is a calcium chlor-hypochlorite or an equimolecular mixture of the chloride and hypochlorite (see ALKALI

    Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"


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