Chem. [f. as prec. + -ENE.] A hydrocarbon homologous with acetylene.
1868. Watts, Dict. Chem., V. 981. Valerylene … is a colourless very mobile liquid, which floats on water, and is nearly insoluble therein.
1873. Rolfe, Phys. Chem., P. xviii. Quintine or Valerylene.
