terms |
nonlanthanide |
As a noun terms
is .
As an adjective nonlanthanide is
not lanthanide.
lanthanide |
nonlanthanide |
As a noun lanthanide
is (chemistry) any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.
As an adjective nonlanthanide is
not lanthanide.