combining form of VALERIAN or VALERIC a., used in a few chemical terms, as valerobenzoic, -glyceral, -lactic. (Cf. VALER-)
1854. Fowness Elem. Chem. (ed. 5), 488. Anhydrous Valerobenzoic Acid.
1868. Watts, Dict. Chem., V. 980. Valeroglyceral, compound analogous to acetal. Ibid., 981. Valerolactic acid, syn. with ethyl-lactic acid.