euclidian space

Webster's Dictionary (1913)

Geometry, the kind of space to which the axioms and definitions of Euclid, relative to straight lines and parallel lines, apply; — called also flat space, and homaloidal space.

From the entry Euclidian.

etc. See under Absolute, Euclidian, etc.

From the entry Space.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54