TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

WELL-DEFINED SUBSTANCE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1990-02-28

English

Subject field(s)
  • Analytical Chemistry
  • Standards and Regulations (Chemistry)
DEF

A substance which can be represented by a complete chemical structure diagram and specific molecular formula. Although locants may be unknown or variable, the number of substituents and/or modifications, e.g. degree of esterification, is known.

French

Domaine(s)
  • Chimie analytique
  • Normes et réglementation (Chimie)
DEF

Substance pouvant être représentée par un schéma de structure complet et une formule brute spécifique. Bien que les indicateurs de position puissent être inconnus ou variables, le nombre de substituants et(ou) de modifications (par exemple, degré d'estérification) est connu.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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