| sunglass | A convex lens of glass for producing heat by converging the sun's rays into a focus. "Lighting a cigar with a sunglass." Source: Websters Dictionary (01 Mar 1998) |
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| sunk cost | A cost already incurred and therefore not considered in making a current investment decision. (05 Dec 1998) |
| sunn | <botany> An East Indian leguminous plant (Crotalaria juncea) and its fibre, which is also called sunn hemp. Alternative forms: sun. Origin: Hind. San, fr. Skr. Cana. Source: Websters Dictionary (01 Mar 1998) |
| sunny | <zoology> See Sunfish . Source: Websters Dictionary (01 Mar 1998) |
| sunscreen | A substance that blocks the effect of the sun's harmful rays. Using lotions that contain sunscreens can reduce the risk of skin cancer, including melanoma. (12 Dec 1998) |
| sunscreening agents | Chemical or physical agents that protect the skin from sunburn and erythema by absorbing or blocking ultraviolet radiation. (12 Dec 1998) |
| sunsetting | 1. The descent of the sun below the horizon; also, the time when the sun sets; evening. Also used figuratively. "'T is the sunset of life gives me mystical lore." (Campbell) 2. Hence, the region where the sun sets; the west. <zoology> Sunset shell, a West Indian marine bivalve (Tellina radiata) having a smooth shell marked with radiating bands of varied colours resembling those seen at sunset or before sunrise. Synonym: rising sun. Source: Websters Dictionary (01 Mar 1998) |
| sunshine | 1. The light of the sun, or the place where it shines; the direct rays of the sun, the place where they fall, or the warmth and light which they give. "But all sunshine, as when his beams at noon Culminate from the equator." (Milton) 2. Anything which has a warming and cheering influence like that of the rays of the sun; warmth; illumination; brightness. "That man that sits within a monarch's heart, And ripens in the sunshine of his favor." (Shak) Source: Websters Dictionary (01 Mar 1998) |
| sunsquall | <zoology> Any large jellyfish. Source: Websters Dictionary (01 Mar 1998) |
| sunstone | <medicine> Aventurine feldspar. See Aventurine. Source: Websters Dictionary (01 Mar 1998) |
| sunstroke | <medicine> Any affection produced by the action of the sun on some part of the body; especially, a sudden prostration of the physical powers, with symptoms resembling those of apoplexy, occasioned by exposure to excessive heat, and often terminating fatally; coup de soleil. Source: Websters Dictionary (01 Mar 1998) |