the GNU version of the Collaborative International Dictionary of English
n. Same as stilbene.
n. Sometimes, but less properly, tolylene.
The Century Dictionary and Cyclopedia
n. A colorless compound, C6H5CH:CHC6H5, prepared by the action of lead oxid on toluene vapor. It crystallizes in large monoclinic plates, melts at 124° C, and boils at 306–307° C. Also called