superluminescent

As a noun terms

is .

As an adjective superluminescent is

of, pertaining to, or exhibiting superluminescence.

As adjectives the difference between superluminescent and sld

is that superluminescent is of, pertaining to, or exhibiting superluminescence while sld is (logic) selective linear definite.

As a noun sld is

(internet) second-level domain.

As a proper noun sld is

(uk|politics) scottish liberal democrats.

As a noun superluminescence

is (physics) light that has been optically amplified via stimulated emission.

As an adjective superluminescent is

of, pertaining to, or exhibiting superluminescence.