UKF
ulcerative colitis
Ulcerative colitis
Ultra-elastic
Ultra-high-molecular-weight polyethylene(UHMWPE)
ultrasound
uncertainty
undergraduate studies of linguistics
Under nourished / Undernourished
underwater archaeology
Unemployment
unicornuate uterus
uninterruptible
United States of America
Universal education
Universal health
Universal health coverage
universal service
universal service obligations
Universal Verifiability
unknown profession
Unregulated fishing
Unscented Transformation
Un-sentenced detainees