from the GNU version of the Collaborative International Dictionary of English
- adj. Of, pertaining to, or designating, an acid, C3H3.CO2H, of the acetylene series, homologous with propiolic acid, obtained as a white crystalline substance.
from The Century Dictionary and Cyclopedia
- Containing four carbon atoms.
Sorry, no etymologies found.
(oleic and erucic acids); and such as are homologues of tetrolic acid