Ontologies
PPO

PMDCo Poly Ontology (PPO)

OWL
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Last submission date February 16, 2026
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Classes PPO
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http://www.w3.org/2002/07/owl#Class

activation energy

IRI
Preferred name

activation energy
Type http://www.w3.org/2002/07/owl#Class
Status Active
Ontology PPO
Definition
Activation energy (E_a) a process attribute characterizing the minimum amount of energy required to initiate a reaction, allowing educts to overcome an energy barrier to transform into products.
ID https://w3id.org/pmd/co/PMD_0020162
https://w3id.org/pmd/co/PMD_0020162
https://dev.matportal.org/ontologies/PPO/PMD_0020162
Preferred name

activation energy
Definitions
Activation energy (E_a) a process attribute characterizing the minimum amount of energy required to initiate a reaction, allowing educts to overcome an energy barrier to transform into products.

Raw data

rdf:type
rdfs:subClassOf
rdfs:label
activation energy
skos:definition
Activation energy (E_a) a process attribute characterizing the minimum amount of energy required to initiate a reaction, allowing educts to overcome an energy barrier to transform into products.
PMD_0000060
1
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