from The Century Dictionary.
- noun A colorless compound found in coal-tar oil and prepared by the action of methyl chlorid on toluene in the presence of aluminium chlorid; 1, 2, 4, 5-tetramethyl benzene. It has an odor resembling that of camphor, crystallizes in leaves, melts at 79–80° C., and boils at 193–195° C.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A colorless, crystalline, aromatic hydrocarbon, C6H2(CH3)4, off artificial production, with an odor like camphor.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry 1,2,4,5-tetramethylbenzene, an
aromatic hydrocarbonused as a solventand in the manufactureof pyromellitic acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Latin durus, "hard" (because solid at ordinary temperatures), and -ene.
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