WordReference Random House Unabridged Dictionary of American English © 2025
ver′y long′ base′line interferom′etry, Radio Astron.
- Astronomyan interferometry technique that enhances angular resolution in the observation of radio signals from distant celestial objects, as quasars, by combining signals from several radio telescopes around the earth or such signals with those from an earth-orbiting satellite. Abbr.: VLBI
'very long baseline interferometry' also found in these entries (note: many are not synonyms or translations):