composition |
isochemical |
As a noun composition
is the proportion of different parts to make a whole.
As an adjective isochemical is
(geology|of a series of rocks) having constant chemical composition.
chemical |
isochemical |
As adjectives the difference between chemical and isochemical
is that
chemical is of or relating to alchemy while
isochemical is having constant chemical composition.
As a noun chemical
is any specific chemical element or chemical compound.