Akademik
wavelength
noun
/ˈweɪvlɛŋθ/
The
length
of a single cycle of a
wave
, as measured by the
distance
between one
peak
or
trough
of a wave and the
next
; it is often designated in physics as λ, and corresponds to the
velocity
of the wave
divided
by its
frequency
.
Wikipedia foundation
.