def

solid

Substance with definite shape and volume

meta

supertypes

marker

Marker labels a dict with typing information

    phenomenon

Aspect of scientific interest with measurable quantities

        substance

Matter in one the three states solid, liquid, or gas

subtypes

coal

Combustible sedimentary rock

ice

Water in its solid form

pm01

Particulate matter 0.1

pm10

Particulate matter 10

pm25

Particulate matter 2.5

quantities

concentration

Abundance of substance in the total volume of a mixture

temp

Temperature - measure of hot and cold

volume

Three dimensional space occupied by a substance