noun Etymology: Felix Klein died 1925 German mathematician Date: 1941 a one-sided surface that is formed by passing the narrow end of a tapered tube through the side of the tube and flaring this end out to join the other end
KLEIN BOTTLE
Meaning of KLEIN BOTTLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012