Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

nonionic

play
adjective non·ion·ic \-(ˌ)ī-ˈä-nik\

Definition of nonionic

  1. :  not ionic; especially :  not dependent on a surface-active anion for effect <nonionic surfactants>




Seen and Heard

What made you want to look up nonionic? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!