DEFINITIONS

Search

PNPB

positive-negative pressure breathing

Browse the Dictionary : Dictionary.englishtest.info is the world's leading online source for definitions, word origins, and a whole lot more. From Word of the Day to the stories behind today's slang, dictionary.englishtest.info unlocks the secrets of the English language for millions of people. Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, translations, origin and examples. Collins Online Dictionary | Definitions, Thesaurus and Translations