Klein-Nishina cross-section

Klein

— noun United States fashion designer noted for understated fashions (born in 1942) — noun German mathematician who created the Klein bottle (1849-1925) — noun United States psychoanalyst (born in Austria) who was the first to specialize in the psychoanalysis of small children (1882-1960)

cross Verb

— If you cross something, you go from one side of it to the other side. Don't cross the street until the light turns green. We can cross the river at the bridge, or we can get wet. — If you cross something, you put one part over another perpendicularly. She crossed her ankles: she put one foot on the other side of the other foot. — If you cross someone, you do something that the person does not like. Don't cross me. Make sure to agree with me. — If you cross, you go in a path that will intersect with someone else's path. Boats crossing from starboard have right-of-way.

cross Noun

— A cross is a figure made of two straight lines or bars that intersect each other such that at least one of them bisects the other. In Christianity, the death of Jesus is represented by a cross.

cross Adjective

— Someone who is cross is angry or annoyed. Jill spoke to me rudely because she was cross.

section Noun

— A section of a thing or place is a part of it. The police closed one section of the road because of the accident.

section Verb

— If you section something, you divide it into parts.