fluctuant

adjective fluc·tu·ant \ ˈflək-chə-wənt , -chü-ənt \
1 : moving in waves
3 : being movable and compressible
  • a fluctuant abscess

First Known Use of fluctuant

1560

in the meaning defined at sense 1

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Medical Dictionary

fluctuant

adjective fluc·tu·ant \ ˈflək-chə-wənt \
: movable and compressible used of abnormal body structures (as some abscesses or tumors)
  • the fluctuant mass in his abdomen
  • —Oliver Sacks

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