ˈfləkchəwənt, -ksh- adjective
Etymology: Latin fluctuant-, fluctuans, present participle of fluctuare
: moving like a wave:
a. : wavering or fluctuating
the fluctuant drift of mist — Arthur Foff
b. : varying and unstable : not fixed
a fluctuant foreign exchange rate
fluctuant populations
c. : movable and compressible — used of abnormal body structures (as certain abscesses or tumors)
a fluctuant mass
the involved nodes became fluctuant and were removed surgically — Biological Abstracts