from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. radioimmunoassay
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. radioimmunoassay
- n. Rich Internet Application
- n. Reactivity Initiated Accident
from The Century Dictionary and Cyclopedia
- n. In physical geography, a drowned valley: distinguished from a fiord by the absence of all forms due to glacial erosion. Also written rias.
Sorry, no etymologies found.