n. Either of many isomeric univalent hydrocarbon radicals, C7H15, formally derived from heptane by the loss of a hydrogen atom.
the GNU version of the Collaborative International Dictionary of English
n. A compound radical, C7H15, regarded as the essential radical of heptane and a related series of compounds.
The Century Dictionary and Cyclopedia
n. The hypothetical radical (C7H15) of heptylic alcohol and its derivatives.
Word Usage
"Pinus, which heptane yielded primary heptyl-alcohol, and methyl-pentyl-carbinol, exactly as the heptane obtained from petroleum does (_Annalen de Chemie_, ccxvii., 139, and clxxxviii., 249; and"