Topic Navigator

Noun Tree | Nouns Groups | Verb Groups | Search

Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

matter go
that which has mass and occupies space

substance go
the real physical matter of which a person or thing consists

material, stuff go
the tangible substance that goes into the makeup of a physical object

mineral go
solid homogeneous inorganic substances occurring in nature having a definite chemical composition

ore go
a mineral that contains metal that is valuable enough to be mined

iron ore
an ore from which iron can be extracted

noun.substance

9 Subcategories

goethite, gothite go
a red or yellow or brown mineral
chamosite go
a greenish grey or black silicate of iron and aluminum
taconite go
a variety of chert containing magnetite and hematite
hematite, haematite go
the principal form of iron ore
lepidocrocite go
a red to reddish brown mineral consisting of iron oxide hydroxide
limonite go
a widely occurring iron oxide ore
magnetite, magnetic iron-ore go
an oxide of iron that is strongly attracted by magnets
ruddle, reddle, raddle go
a red iron ore used in dyeing and marking
siderite, chalybite go
iron ore in the form of ferrous carbonate