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
¬
atom go
(physics and chemistry) the smallest component of an element having the chemical properties of the element
¬
isotope go
one of two or more atoms with the same atomic number but with different numbers of neutrons
¬
radioisotope go
a radioactive isotope of an element
iodine-125
light radioactive isotope of iodine with a half-life of 60 days
noun.substance

bottom of branch
Chat Message