Ontologies
OEO

Open Energy Ontology (OEO)

OWL
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Last submission date July 15, 2026
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ID https://openenergyplatform.org/ontology/oeo/OEO_00000390
https://openenergyplatform.org/ontology/oeo/OEO_00000390
https://stage.matportal.org/ontologies/OEO/OEO_00000390
Label solid
Type state of matter
IAO_0000115 The state of being solid. A portion of matter is in solid state if and only if it has a definite shape and volume (at a given temperature and pressure).
OEO_00020426 fix wording in definition pull request: https://github.com/OpenEnergyPlatform/ontology/pull/2019

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