[Klein bottle] n [Felix Klein d. 1925 Ger. mathematician] (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 English vocab. Английский словарь Merriam Webster. 2012