tetration

Noun

The arithmetic operator consisting of repeated exponentiation, by analogy with exponentiation being repeated multiplication and multiplication being repeated addition, ᵇᵃ denoting a to the power of a to the power of … to the power of a, in which a appears b times.

Origin / Etymology

PIE word
*kʷetwóres
From tetra- (prefix meaning ‘four’) + (itera)tion, from the fact that tetration is in fourth place after addition, multiplication, and exponentiation. The word was coined by the English mathematician Reuben Goodstein (1912–1985).

Synonyms

exponential map, hyper4, hyperpower, power tower, superexponentiation

Scrabble Score: 0

tetration: not valid in Scrabble (US) TWL Dictionary
tetration: not valid in Scrabble (MW) Merriam-Webster Dictionary
tetration: not valid in International Collins CSW Dictionary

Words With Friends Score: 0

tetration is not valid in Words With Friends