@prefix gacs: .
@prefix skos: .
@prefix rdfs: .
@prefix owl: .
@prefix rdf: .
@prefix dc: .
gacs:C4914 skos:definition gacs:def_91d560f1 .
rdfs:label "Concept definition"@en ;
a owl:Class .
gacs:def_91d560f1
rdf:value "To lower the pH of a substance or material to below 7.0"@en ;
dc:source ;
a .