bitterings

Noun

bittering (plural bitterings)

1. A bitter compound, such as that used in adulterating beer or that removed from coffee.
   • A patent was lately grantedd to David Dear, of the town of Salina, county of Onondaga, and state of New York, for an improved mode of separating the bitterings from, and cleaning hte same from salt kettles or boilers of any description used in the manufacture of salt.1839, “Dear's Process of Separating and Removing the Bitterings from the Kettles or Boilers Used in the Manufacture of Salt”, in Mechanics' Magazine, volume 30, page 94
2. The act of making or becoming bitter.
   • This observation would suffice to explain the fact mentioned at the commencement of this paragraph, that bittering is almost exclusively confined to red wines, these containing, as is well known, a somewhat large amount of tannin absorbed from the skins and kernels of the grape during the primary...1898, Franz Lafar, Technical mycology v.1,, page 405

See all 4 meanings of bittering