n.
Function: adjective
Date: 1903
: being at or reaching the maximum < peak levels> < peak output> also : of, relating to, or being a period of maximum intensity or activity < peak business hours>
n.
Function: adjective
Date: 1903
: being at or reaching the maximum < peak levels> < peak output> also : of, relating to, or being a period of maximum intensity or activity < peak business hours>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012