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

phosphine

play
noun phos·phine \-ˌfēn\

Definition of phosphine

  1. 1 :  any of various derivatives of phosphine analogous to amines but weaker as bases

  2. 2 :  a colorless poisonous flammable gas PH3 that is a weaker base than ammonia and that is used especially to fumigate stored grain



Origin of phosphine

International Scientific Vocabulary


First Known Use: 1869


Medical Dictionary

phosphine

play
noun phos·phine \-ˌfēn\

Medical Definition of phosphine

  1. 1:  a colorless poisonous flammable gas PH3 that is a weaker base than ammonia and that is used especially to fumigate stored grain

  2. 2:  any of various derivatives of phosphine analogous to amines but weaker as bases




Learn More about phosphine


Seen and Heard

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

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 16.96 pounds 100 pounds 2.2 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ