to bite sth back

to back down to back onto sth to badger sb for sth to badger sb with question to bail sb out to bale out to band together to bandy sth about to bandy words with sb to bang up to bank sth up to bargain on doing sth

ion-exchange resin catalyst ion-exchange resin catalysts ion-exchanged ion-exchanges ion-exchanging ion-exclusion chromatography ion-molecule reaction ion-product constant ion-protein ion-selective electrode analysis