klaproth
- n German chemist who pioneered analytical chemistry and discovered three new elements (1743-1817)
klaus fuchs
- n British physicist who was born in Germany and fled Nazi persecution; in the 1940s he passed secret information to the USSR about the development of the atom bomb in the United States (1911-1988)
klebs-loeffler bacillus
- n a species of bacterium that causes diphtheria
klebsiella
- n a genus of nonmotile rod-shaped Gram-negative enterobacteria; some cause respiratory and other infections
kleenex
- n a piece of soft absorbent paper (usually two or more thin layers) used as a disposable handkerchief
klein
- n German mathematician who created the Klein bottle (1849-1925)
- n United States psychoanalyst (born in Austria) who was the first to specialize in the psychoanalysis of small children (1882-1960)
- n United States fashion designer noted for understated fashions (born in 1942)
klein bottle
- n a closed surface with only one side; formed by passing one end of a tube through the side of the tube and joining it with the other end
kleist
- n German dramatist whose works concern people torn between reason and emotion (1777-1811)