formo- Chem.
(ˈfɔːməʊ)
Combining form of formic, as in ˌformobenˈzoic (formobenzoic acid), an obs. name for mandelic acid; hence ˌformoˈbenzoate, a salt of this acid.
| 1834 M. Somerville Connect. Phys. Sc. xxiv. (1849) 229 Formobenzoate of silver. 1873 Fownes' Chem. (ed. 11) 823 Formobenzoic or Mandelic Acid C8H8O3. |