1. Sudden prostration due to exposure to the sun or excessive heat
   - sunstroke, thermic fever, siriasis 
2. Incident solar radiation 
3. Therapeutic exposure to sunlight
   - heliotherapy

Derived forms: insolations

See also: insolate

Type of: heat hyperpyrexia, heatstroke, solar radiation, therapy

Encyclopedia: Insolation

• wattage
• Watteau
• wattle
• wattle and daub
• wattmeter
• Watts
• Watusi
• Watutsi
• Waugh
• waul
• Wausau
• wave
• wave angle
• wave equation
• wave mechanics
• wave number
• wave shape
• wave theory
• wave theory of light
• wave train
• substantive dye
• substantively
• substantivise
• substantivize
• substation