@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix mi: <https://taxonomy.materialinstruments.com/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://taxonomy.materialinstruments.com/id/material/fir>
  a skos:Concept ;
  skos:inScheme <https://taxonomy.materialinstruments.com/id/axis/material> ;
  skos:prefLabel "Fir"@en ;
  skos:definition "Softwood timber from trees in the genus Abies, commercially cut across the temperate and montane forests of the Northern Hemisphere; distinct from Douglas-fir, which is not a true fir."@en ;
  skos:broader <https://taxonomy.materialinstruments.com/id/material/softwood> ;
  skos:broadMatch <https://taxonomy.materialinstruments.com/ns/uniclass/Ma_60_97_30> ;
  skos:notation "Ma_60_97_30"^^<https://taxonomy.materialinstruments.com/ns/uniclass> ;
  mi:sourceBasis "referenced" ;
  dcterms:source "composition dictionary in a materials-retrieval system (src-05); USDA Wood Handbook (2021), chapter 2" ;
  dcterms:date "2026-09-22" ;
  mi:status "active" .