See Also: sulphonal(medicine)
sulphonal(dictionary)

abietic (iou) and sulphonal (iou)


abietic (iou)



abietic adjective. M19.
[from Latin abiet-, abies fir + -IC.]
Chemistry. abietic acid, a crystalline terpenoid acid, C20H30O2, that is a component of rosin.

sulphonal (iou)



sulphonal noun. Also *sulfonal. L19.
[from SULPHONE + -AL2.]
Pharmacology. A sulphonated derivative of methane, (C2H5SO2)2CH(CH3)2, formerly used as a hypnotic.