@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t7-1.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "7-1.1" ;
  skosxl:prefLabel "speed of light in a medium"@en ;
  skosxl:altLabel "c"@en ;
  skos:definition "phase speed of an electromagnetic wave at a given point in a medium"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-7> ;
  isq:hasUnit [
    skos:notation "m*s^(-1)" ;
    skosxl:prefLabel "metre per second"@en
  ] ;
  skos:note "See also <<iso80000-3>>.\n\nThe value of the speed of light in a medium can depend on the frequency, polarization, and direction.\n\nFor the definition of the speed of electromagnetic waves in vacuum, stem:[c_0], see <<iso80000-1>>.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-7:ed-2:en:item:7-1.1> .