The mineral is named after William Withering, who in 1784 recognized it to be chemically distinct from barytes.
We can, therefore, distinguish between different compounds, or between chemically distinct atoms in a single compound.
The alkaloid contents of specimens of all three species has been studied, and although similar, they have been found to be chemically distinct.
It can develop in towards to many, chemically distinct compounds.
For example, over sixty different chemically distinct flavonoids are known to occur in a given red wine.
The lipids (fats, oils, and waxes) within the foreheads of odontocetes are chemically distinct.
Though chemically distinct, the lava flows and scorias at Cinder Cone are similar in appearance.
Napalm B is chemically distinct from its predecessor Napalm.
Sometimes a chemically distinct crust forms on top of the mantle.
As a consequence, these two are now known to be chemically distinct, although the mechanism that segregates the molecular species into the two layers is unknown.
