| muton | In genetics, the smallest unit of a chromosome in which alteration can be effective in causing a mutation. Origin: mutation + -on (05 Mar 2000) |
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| mutton | 1. A sheep. "Not so much ground as will feed a mutton." (Sir H. Sidney) "Muttons, beeves, and porkers are good old words for the living quadrupeds." (Hallam) 2. The flesh of a sheep. "The fat of roasted mutton or beef." (Swift) 3. A loose woman; a prostitute. Mutton bird, the American eelpout. See Eelpout. Mutton fist, a big brawny fist or hand. Mutton monger, a pimp . To return to one's muttons. [A translation of a phrase from a farce by De Brueys, revenons a nos moutons let us return to our sheep] To return to one's topic, subject of discussion, etc. "I willingly return to my muttons." (H. R. Haweis) Origin: OE. Motoun, OF. Moton, molton, a sheep, wether, F. Mouton, LL. Multo, by transposition of l fr. L. Mutilus mutilated. See Mutilate. Source: Websters Dictionary (01 Mar 1998) |
| mutton-fat keratic precipitates | Coalescent precipitate's forming small plaques that gradually become more translucent. (05 Mar 2000) |
| mutual resistance | An interaction between chemicals in which one partially or completelyinhibits the effect of the other (for example, a drug that blocks a hormone's receptor site would be a hormone antagonist). (09 Oct 1997) |
| mutualism | A type of symbiosis where two (or more) organisms from different species live in close proximity to one another and rely on one another for nutrients, protection, or other life functions. Both (or all) of the organisms involved benefit from the relationship. (09 Oct 1997) |
| mutualist | An organism that lives in symbiotic relationship with another organism, this relationship benefits both partners. Compare: parasite. (09 Oct 1997) |
| mutualistic symbiosis | Symbiosis in which all partners obtain an advantage. (05 Mar 2000) |