OEO Ontology

Overview / Open Energy Ontology / Class - metal
Label: metal
Definition:
A metal is a portion of matter consisting of an atom of an element that exhibits typical metallic properties, being typically shiny, with high electrical and thermal conductivity.

Sub classes:
non-ferrous metal
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Definition:
A non-ferrous metal is a metal that does not contain a significant amount of iron in its chemical composition. It is the physical output of an industrial process and has a commodity role.

steel
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Definition:
Steel is a metal that consists mainly of iron and up to 2.14 % of carbon; other elements may be present. It has a solid normal state of matter. It has a solid normal state of matter. It is the physical output of an industrial process and has a commodity role.

Back to the super classes:
portion of matter
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Definition:
A portion of matter is an aggregate of material entities that have a state of matter.

Editor note:
Portions of matter describe mass nouns like e.g. water, air and fuel. Mass nouns are uncountable, but portions of these can be quantified, like 1 glass of water, 1 m³ of air or 1 barrel of fuel. For further explanation please refer to: https://github.com/OpenEnergyPlatform/ontology/wiki/Explanation-on-mass-nouns