Tsis
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 plural of TSI form-of, plural
Synonyms
All synonymsExample
More examples"This December, NASA is launching an instrument to the International Space Station to continue monitoring the Sun’s energy input to the Earth system. The Total and Spectral solar Irradiance Sensor (TSIS-1) will precisely measure what scientists call “total solar irradiance.”"
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.