FAST - fully automated storage tiering (EMC FAST fully automated storage tiering)
FeLV - Feline Leukemia Virus
FHSS - Frequency Hopping Spread Spectrum - RF Modem Module
FID - flight-initiation distance (high intensity discharge lighting)
FIV - Feline Immunodeficiency Virus
Federated Learning - a way to train a shared model across multiple organizations or devices without centralizing all of the raw data in one place.
FHIR - Fast Healthcare Interoperability Resources, a standard for structuring and exchanging healthcare data electronically.
FOPS - falling object protective structure - as for tractors
FSGS - focal segmental glomerulosclerosis (FSGS focal segmental glomerulosclerosis kidney disease gene)