[ad. late L. acētōs-us sour, f. acētum vinegar: see -OSE.] Tasting like vinegar; sour. Chiefly applied to the natural sourness of unripe fruits, sorrel, etc.
1533. Elyot, Castel of Helth 36 (1541). With sugar and vyneger is made Sirupe Acetose.
1751. Chambers, Cycl., s.v., Acetous or Acetose, something relating to Vinegar.
1854. Ainsworth, Flitch of Bacon, II. iii. 117. If acetose claret I happen to sip.
1868. Paxton, Bot. Dict., Acetose, sour, tart, acid.
