pi
Longman Dictionary of Contemporary English 5++LDOCE 5++pi /paɪ/ noun [uncountable] technicalHM a number that is represented by the Greek letter (π) and is equal to the distance around a circle, divided by its width 圆周率 (π)
Examples from the Corpus
pi• A broken networked intelligence may be able to calculate pi to the billionth digit but not forward e-mail to a new address.• Consider a symmetric equilibrium in which the n firms in industry i all charge a price pi.• Now came the pi ce de r sistance.• One of his most popular miracles occurred one day while pi owing.Origin pi (1800-1900) From the name of the first letter of Greek periphereia “distance around a circle”pi nounChinese
that Corpus a represented by number is
pi
pi /paɪ/
noun [uncountable]
pi /paɪ/
noun [uncountable] Date: 1800-1900
Origin: From the name of the first letter of Greek periphereia 'distance around a circle'
technical a number that is represented by the Greek letter (π) and is equal to the distance around a circle, divided by its width
Origin: From the name of the first letter of Greek periphereia 'distance around a circle'