thoron

As a preposition thorow

is .

As a noun thoron is

(physics) the isotope of radon.

As an adjective thoro

is .

As a noun thoron is

(physics) the isotope of radon.

As nouns the difference between thoron and thoreon

is that thoron is (physics) the isotope of radon while thoreon is (obsolete) radon.

As nouns the difference between thorn and thoron

is that thorn is a sharp protective spine of a plant while thoron is the isotope of radon {{nuclide|220|86|Ra}.

As a verb thorn

is to pierce with, or as if with, a thorn.

As a proper noun Thorn

is {{surname|topographic|from=Middle English}} for someone living near a thorn bush.

As nouns the difference between taxonomy and thoron

is that taxonomy is the science or the technique used to make a classification while thoron is (physics) the isotope of radon.

Thorin is a synonym of thoron.

As nouns the difference between thoron and thorin

is that thoron is the isotope of radon {{nuclide|220|86|Ra} while thorin is a highly toxic indicator used in the determination of barium, beryllium, lithium, uranium and thorium compounds.

As nouns the difference between radon and thoron

is that radon is radon while thoron is (physics) the isotope of radon.

In physics terms the difference between isotope and thoron

is that isotope is any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms for the same isotope will have the same atomic number but a different mass number (atomic weight) while thoron is the isotope of radon {{nuclide|220|86|Ra}.

As a verb isotope

is to define or demonstrate an isotopy of (one map with another).