plural of bit of fluff

An attractive woman, especially one that is a companion or sexual partner but to whom one is not seriously committed. / Something attractive or amusing but insubstantial.

(inorganic chemistry) The compound SO₂F₂

(music) A flageolet or similar instrument.

(medicine, colloquial) Atrial flutter.

anisotropy or polarization of the light emitted by a fluorophore

done for; ruined; having come to grief

(LGBT) The quality of being genderfluid.

microscopy using a fluorescence microscope

A microscope that uses fluorescence to form an image