n. Either of two isomeric hydrocarbons, diphenylethylene, but especially the trans isomer, used in the manufacture of dyes and many other compounds.
the GNU version of the Collaborative International Dictionary of English
n. A hydrocarbon, C14H12, produced artificially in large, fine crystals; -- called also diphenyl ethylene, toluylene, etc.
The Century Dictionary and Cyclopedia
n. A colorless compound, C6H5CH:CHC6H5, prepared by the action of heated lead oxid on toluene. It crystallizes in large monoclinic plates, melts at 124° C., and boils at 306–307° C. Also called toluylene and symmetrical diphenylethylene.
Word Usage
"Resveratrol is the best-known member of a family of compounds called stilbenes, the general name for which is stilbene synthase STS."