Subrefraction

Less than normal bending of light or a radar beam as it passes through a zone of contrasting propert
Found on http://www.superglossary.com/Glossary/Science/Weather/

subrefraction

Less than normal bending of light or a radar beam as it passes through a zone of contrasting properties, such as atmospheric density, water vapor, or temperature. Related term: superrefraction
Found on http://www.weather.com/glossary/s.html
No exact match found