Adverb
projectively (comparative more projectively, superlative most projectively)
In a projective way.
Springer Verlag Working within GA, Euclidean space is embedded projectively in the CGA via the identification of Euclidean points with 1D subspaces in the 4D null cone of the 5D CGA vector subspace, and adding a point at infinity. Source: Internet
Thus and cannot be made continuous at on the projectively extended real line. Source: Internet