Date: | 1800-1900 |

Origin: | From the name of the first letter of Greek periphereia 'distance around a circle' |

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pi [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

Definition of pi from the Longman Dictionary of Contemporary English within

the topic MATHS

the topic MATHS

angle
arc
area
axis
base
C
calculator
constant
contain
cos
curve
cut
diameter
dimension
domain
equal(a)
equal(v)
express
expression
face
figure
formula
function
graph
grid
log
math
mathematics
matrix
mean
minute
multiply
N
number
parallel
percentage
pi
plane
plus(n)
plus(a)
plus sign
power
proof
ratio
root
scale
section
segment
solid(a)
solid(n)
solution
solve
square(a)
square(n)
square(v)
square(a)
sum
term
value
variable
vector
vertical
volume
work
X

Show all entries from Topic: MATHS

Show all entries from Topic: MATHS