Fw

1.
fresh water.
1.
filter wheel
2.
future wife

Read Also:

F.w.
1. fresh water.
FWA
1. Federal Works Agency. noun 1. flexible working arrangement: an agreement between an employer and employee that the employee’s working hours may be adapted to suit his or her particular needs 1. Fixed Wireless Access 2. Fort Wayne International Airport
F wave
f wave n. A pattern of irregular undulations of the base line in an electrocardiogram that is indicative of atrial fibrillation. F wave n. A pattern of regular, rapid atrial waves in an electrocardiogram, indicative of atrial flutter.