Of a substance, molecular species, etc.: able to receive a hydrogen atom in protonation; proton-accepting, tending to remove protons. Opposed to protogenic.
Today’s NYT Connections Answers Dec 21, #559 - Daily Updates & Hints
Today’s Wordle Answer Dec 21 #1281- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Dec 21 Solved
NYT Strands Today - Hints, Spangram & Answers for December 21