zymic

from The Century Dictionary.

• Pertaining to or of the nature of leaven: applied by Pasteur to the microbes which act as ferments only when the air is excluded, as distinguished from those which require the presence of air.
• Noting zymic acid, a substance which is now known to be impure lactic acid.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Old Chem.) Pertaining to, or produced by, fermentation; -- formerly, by confusion, used to designate lactic acid.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective chemistry Pertaining to, or produced by, fermentation