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solar gain
solar heating
solar month
solar panel
solar parallax
solar plexus
solar system
solar wind
solar year
solaria
solarimeter
solarise
solarium
solarize
SOLAS
solation
solatium
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solar year
so·lar year (plural so·lar years)


noun 
Definition:
 
once around Sun: the time taken for the Earth to move around the Sun, equal to 365 days, 5 hours, 48 minutes, 45.51 seconds
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