IPA: /ˌstɔɪkiˈɒmətri/
KK: /stɔɪkiˈɑːmətri/
The study of the amounts of substances involved in chemical reactions, focusing on how they relate to each other quantitatively.
In chemistry class, we learned about stoichiometry and how to calculate the amounts of reactants needed for a reaction.
Stoichiometry is formed from 'stoicheion' (Greek for element) and 'metron' (Greek for measure). The word refers to the measurement of elements in chemical reactions.
Think of 'elements' ('stoicheion') being 'measured' ('metron') in chemistry — that's what stoichiometry is all about.