ammonia

play
noun am·mo·nia \ ə-ˈmō-nyə \

Definition of ammonia

1 :a pungent colorless gaseous alkaline compound of nitrogen and hydrogen NH3 that is very soluble in water and can easily be condensed to a liquid by cold and pressure

Recent Examples of ammonia from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ammonia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of ammonia

New Latin, from Latin sal ammoniacus sal ammoniac, literally, salt of Ammon, from Greek ammōniakos of Ammon, from Ammōn Ammon, Amun, an Egyptian god near whose temple at the Siwa oasis it was extracted


AMMONIA Defined for English Language Learners

ammonia

play
noun

Definition of ammonia for English Language Learners

  • : a colorless gas or liquid that has a strong smell and taste and that is used especially in cleaning products


AMMONIA Defined for Kids

ammonia

play
noun am·mo·nia \ ə-ˈmō-nyə \

Definition of ammonia for Students

1 :a colorless gas that is a compound of nitrogen and hydrogen, has a sharp smell and taste, can be easily made liquid by cold and pressure, and is used in cleaning products and in making fertilizers and explosives
2 :a solution of ammonia and water

Medical Dictionary

ammonia

play
noun am·mo·nia \ ə-ˈmō-nyə \

medical Definition of ammonia

1 :a pungent colorless gaseous alkaline compound of nitrogen and hydrogen NH3 that is very soluble in water and can easily be condensed to a liquid by cold and pressure


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

agreeable, attractive, or delicious

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!