| lye | A strong caustic alkaline solution of potassium salts, obtained by leaching wood ashes. It is much used in making soap, etc. Origin: AS. Leah; akin to D. Loog, OHG. Louga, G. Lauge; cf. Icel. Laug a bath, a hot spring. Source: Websters Dictionary (01 Mar 1998) |
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| Lyell | Aian. See: Lyell's disease, Lyell's syndrome. (05 Mar 2000) |
| Lyell's disease | <syndrome> A disease of infants due to group 2 phage type 17 staphylococci that produce an epidermolytic exotoxin. Superficial fine vesicles and bullae form and rupture easily, resulting in loss of large sheets of epidermis. (12 Dec 1998) |
| Lyell's syndrome | A syndrome in which a large portion of the skin becomes intensely erythematous with epidermal necrosis, and peels off in the manner of a second-degree burn, often simultaneous with the formation of flaccid bullae, resulting from drug sensitivity or of unknown cause; the level of separation is subepidermal, unlike staphylococcal scalded skin syndrome in which there is subcorneal change. Synonym: Lyell's syndrome. (05 Mar 2000) |
| lyencephala | <zoology> A group of Mammalia, including the marsupials and monotremes; so called because the corpus callosum is rudimentary. Origin: NL, fr. Gr. To loose + the brain. Source: Websters Dictionary (01 Mar 1998) |
| lyencephalous | <zoology> Pertaining to, or characteristic of, the Lyencephala. Source: Websters Dictionary (01 Mar 1998) |
| lyerman | <zoology> The cicada. Source: Websters Dictionary (01 Mar 1998) |