Rie·mann 
(rēmən, -män′), Georg Friedrich Bernhard 1826-1866.
(rēmən, -män′), Georg Friedrich Bernhard 1826-1866. German mathematician who was a pioneer of non-Euclidean geometry and complex analysis.
- underhung
- underinsurance
- underinsured
- under/in the circumstances
- underived
- underkill
- underlaid
- underlain
- underlay
- underlay
- underlayment
- underlet
- underlie
- underline
- underling
- underlining
- underlip
- under lock and key
- underlying
- undermine
- undermodulate
- undermodulation
- undermost
- underneath
- under no circumstances