from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The act or an instance of exposing to sunlight.
- n. Therapeutic exposure to sunlight.
- n. See sunstroke.
- n. The solar radiation striking Earth or another planet.
- n. The rate of delivery of solar radiation per unit of horizontal surface.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The incident radiant energy emitted by the sun which reaches a unit area over a period of time, typically measured over a horizontal area at the Earth's surface or at the top of Earth's atmosphere.
- n. The rate of delivery of such radiation.
- n. The act or process of exposing to the rays of the sun, such as for the purpose of medical treatment, drying or maturing, as fruits, drugs, etc., or of rendering acid, as vinegar.
- n. sunstroke.
from the GNU version of the Collaborative International Dictionary of English
- n. The act or process to exposing to the rays of the sun for the purpose of drying or maturing, as fruits, drugs, etc., or of rendering acid, as vinegar.
- n. A sunstroke.
- n. Exposure of a patient to the sun's rays; a sun bath.
- n. The amount of sunlight impinging on the Earth's surface.
from The Century Dictionary and Cyclopedia
- n. Exposure to the sun's rays; subjection to the influence of solar heat and light, as for drying, maturing, or the production of chemical action; in medicine, treatment by exposure to the sun, in order to stimulate the vital forces.
- n. A local injury of plants caused by exposure to too strong light, or to the rays of the sun concentrated as by inequalities in the glass of a greenhouse, producing excessively rapid evaporation which kills the part affected.
- n. The state of being heated by the sun; the effect of exposure to the sun's rays; specifically, as applied to persons, sunstroke.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. sudden prostration due to exposure to the sun or excessive heat
- n. therapeutic exposure to sunlight
- n. incident solar radiation
From French, from Latin insolatio ("a setting or placing in the sun") (Wiktionary)