pseudosphere

[ soo-duh-sfeer ]

noun

, Geometry.

1. a surface generated by revolving a tractrix about its asymptote.

Other Words From

• pseu·do·spher·i·cal [soo-d, uh, -, sfer, -i-k, uh, l, -, sfeer, -], adjective

Word History and Origins

Origin of pseudosphere¹

First recorded in 1885–90; pseudo- + sphere