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... > Physical system > Sample > Sample component > Material > Material description > Structure (Material) > Micro structure > Micro structure feature > Grain
... > Physical system > Material > Material description > Structure (Material) > Micro structure > Micro structure feature > Grain

Preferred term

Grain  

Definition

  • 1. The traditional unit of mass derived from the weight of a grain and equal to one seven-thousandth of a pound, or 1/480 troy ounce, or 64.79891 milligrams. The original English grain unit based on the mass of a ripe grain barleycorn was larger the corresponding grain units of France and other European nations which were based on the weight of the smaller wheat grain. (Ontobee, NCI Thesaurus OBO Edition). 2. The grain is a unit of mass defined as 6.479891e-5 kilogram. (Ontobee, http://www.ontology-of-units-of-measure.org/resource/om-2/grain ). 3. Any kind of grain, which is part of a grain structure of a metallic material (MatPortal, BWMD Domain Ontology).

Broader concept

URI

https://purls.helmholtz-metadaten.de/evoks/sdv/Grain

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