chem (of a solvent, such as water) able to donate hydrogen ions to solute molecules
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use protonic in a sentence
Arcot threw out his protonic shield, and retreated to half a million miles, as he had said.
And the six smaller machines, which Arcot had succeeded in interconnecting with the protonic generator, were whining too.
Then it was over, and the skies were clear once more as Arcot lowered the protonic screen silently.