Akademik
fluctuate
1.
To move in waves.
2.
To vary, to
change
from
time
to
time
, as in referring to any quantity or quality, e.g.,
height
of
blood
pressure
,
concentration
of
substance
in
urine
or
blood
,
secretory
activity
, etc. [L. fluctuo, pp. -atus, to
flow
in waves]
Medical dictionary
.
2011
.