Law of Definite Proportions
nounid
83974·updated May 18, 2026verified
(chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
MWE
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- law of constant proportion
- possessive
- Law of Definite Proportions's
- pluralpossessive
- Law of Definite Proportionses'
Framework definitions
- §1
- (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
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