Plant Trait Ontology (TO)
OWL
Last submission date May 21, 2025
ID http://purl.obolibrary.org/obo/CHEBI_59999
http://purl.obolibrary.org/obo/CHEBI_59999
https://agroportal.lirmm.fr/ontologies/TO/CHEBI_59999
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Preferred name

chemical substance

Synonyms
Chemische Substanz
Definitions
A chemical substance is a portion of matter of constant composition, composed of molecular entities of the same type or of different types.
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