T-wave
X-radiation
actino-
electron beam
submillimeter wave radiation
tetractine
tetract
gamma
monactine
tetrachotomy
angle bisector
half-ray
tektological
terahertz radiation
exponential map
hyper4
monactinal
aurichloride
Compton
Arthur Compton
branchiostegal
Arthur Holly Compton
radiopacity
API unit
microbroadcasting
radio-opacity
tmetic
flap
radiozoan
tetrameral
tetravalency
beamlet
shadowgraph
twittish
vierbein
Wilhelm Konrad Rontgen
twerpish
ptilochronological
Rontgen
X-ray
lightray
Roentgen
Wilhelm Konrad Roentgen
interradial
tensiometrically
tetracosactrin
sestamibi
roker
tetrasporous
eigenray