radi-
combining form
variants
or radio-
1
: radiant energy : radiation
radioactive
radiopaque
2
: radioactive
radioelement
3
: radium : X-rays
radiotherapy
4
: radioactive isotopes especially as produced artificially
radiocarbon
5
: radio
radiotelegraphy
6
: radius bone
radio-ulna
Love words? Need even more definitions?
Merriam-Webster unabridged
Share