ˈsüdō+ˌ- noun
Etymology: International Scientific Vocabulary pseud- + sphere: probably originally formed as Italian pseudosfera
: a surface of constant negative curvature (as generated by the revolution of a tractrix about its axis)
ˈsüdō+ˌ- noun
Etymology: International Scientific Vocabulary pseud- + sphere: probably originally formed as Italian pseudosfera
: a surface of constant negative curvature (as generated by the revolution of a tractrix about its axis)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012