| Melophagus ovinus | A wingless, flattened, hairy, leathery parasitic fly found in the wool of sheep and on goats; it is widespread in sheep, in which it sucks blood and causes much skin irritation. Synonym: ked. (05 Mar 2000) |
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| meloplasty | A surgical procedure designed to reduce the visible signs of aging in the face. Commonly referred to as a facelift. Recovery is typically 2-3 weeks duration. (27 Sep 1997) |
| melorheostosis | <radiology> Rare condition of cortical thickening of unknown aetiology most commonly seen in the long bones, 3-59 years, symptoms: usually pain of varying severity, occasionally limited ROM, contracture, insidious onset and chronic course X-ray findings: cortical sclerosis and thickening that may encroach on the medullary canal -- looks like wax flowing down a candle (12 Dec 1998) |
| melosalgia | Pain in the lower limbs. Origin: G. Melos, limb, + algos, pain (05 Mar 2000) |
| meloschisis | Congenital cleft in the face. Origin: G. Melon, cheek, + schisis, a cleaving (05 Mar 2000) |
| melostemonous | <botany> Having fever stamens than the parts of the corolla. Origin: Gr. Smaller + warp, thread. Source: Websters Dictionary (01 Mar 1998) |
| melotia | Congenital displacement of the auricle onto the cheek. Origin: G. Melon, cheek, + ous, ear (05 Mar 2000) |
| melotype | <photography> A picture produced by a process in which development after exposure may be deferred indefinitely, so as to permit transportation of exposed plates; also, the process itself. Source: Websters Dictionary (01 Mar 1998) |
| melphalan | <chemical> An alkylating nitrogen mustard that is used as an antineoplastic in the form of the levo isomer - melphalan, the racaemic mixture - merphalan, and the dextro isomer - medphalan; toxic to bone marrow, but little vesicant action; potential carcinogen. Pharmacological action: antineoplastic agent, alkylating, carcinogens. Chemical name: L-Phenylalanine, 4-(bis(2-chloroethyl)amino)- (12 Dec 1998) |
| melphan | A toxic chemotherapy agent (a nitrogen mustard compound) used most often to treat myelomas and carcinomas of breast and ovarian tissue. (09 Oct 1997) |
| melpomene | 1. The Muse of tragedy. 2. <astronomy> The eighteenth asteroid. Origin: L, fr. Gr, lit, the songstress, fr, to sing. Source: Websters Dictionary (01 Mar 1998) |
| melt | <zoology> See Milt. Source: Websters Dictionary (01 Mar 1998) |
| meltdown | <radiobiology> In a fission reactor, if there is insufficient coolant or the fission chain reaction proceeds too rapidly, heat can build up in the reactor fuel, causing it to melt. In extreme cases the whole fission core can melt down to (or even through) the reactor floor. Fusion reactors are not vulnerable to this. (09 Oct 1997) |
| melting | Liquefaction; the act of causing (something) to melt, or the process of becoming melted. <chemistry> Melting point, the degree of temperature at which a solid substance melts or fuses; as, the melting point of ice is 0 deg Centigrade or 32 deg Fahr, that of urea is 132 deg Centigrade. Melting pot, a vessel in which anything is melted; a crucible. Source: Websters Dictionary (01 Mar 1998) |
| melting point | The temperature at which a solid becomes a liquid, the temperature at which 50% of a macromolecule becomes denatured. (05 Mar 2000) |