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

stoichiometry

play
noun stoi·chi·om·e·try \ˌstȯi-kē-ˈä-mə-trē\

Definition of stoichiometry

  1. 1 :  a branch of chemistry that deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity

  2. 2a :  the quantitative relationship between constituents in a chemical substanceb :  the quantitative relationship between two or more substances especially in processes involving physical or chemical change



Origin of stoichiometry

Greek stoicheion element (from stoichos row) + English -metry; akin to Greek steichein to walk, go — more at stair


First Known Use: 1807


Medical Dictionary

stoichiometry

play
noun stoi·chi·om·e·try \ˌstȯi-kē-ˈäm-ə-trē\

Medical Definition of stoichiometry

plural stoi·chi·om·e·tries

  1. 1:  a branch of chemistry that deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity

  2. 2a:  the quantitative relationship between constituents in a chemical substanceb:  the quantitative relationship between two or more substances especially in processes involving physical or chemical change

  3. stoi·chi·o·met·ric \-kē-ə-ˈme-trik\play adjective




Learn More about stoichiometry


Seen and Heard

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

WORD OF THE DAY

February 6, 2016

an official order, decree, or edict

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet kittly-benders pince-nez spindrift
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