Pythagorean number
noun
1A number as conceived in cosmic or mystical terms by Pythagoras or his followers.
2 Mathematics each of the integers in a Pythagorean triple, corresponding to the sides of a plane right-angled triangle; also in extended use.
Origin
Early 17th century; earliest use found in George Abbot (1562–1633), archbishop of Canterbury.
- Ono, Yoko
- on-pack
- on paper
- on parade
- on-peak
- on pins and needles
- on point
- on principle
- on purpose
- on-ramp
- onrastless
- on record
- on relief
- on remand
- on report
- on-road
- onrush
- onrushing
- Onsager
- Onsager coefficient
- Onsager principle
- Onsager reciprocal relation
- Onsager reciprocity relation
- Onsager relation
- Onsager's law