| unpaired allosome | A chromosome existing without its normal homologous chromosome; at the reduction division of gametogenesis an accessory chromosome is likely to be included in one daughter cell and not in the other, but may be lost completely by lagging behind on the equatorial plate. Synonym: monosome, odd chromosome, unpaired allosome, unpaired chromosome. (05 Mar 2000) |
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| unpaired chromosome | A chromosome existing without its normal homologous chromosome; at the reduction division of gametogenesis an accessory chromosome is likely to be included in one daughter cell and not in the other, but may be lost completely by lagging behind on the equatorial plate. Synonym: monosome, odd chromosome, unpaired allosome, unpaired chromosome. (05 Mar 2000) |
| unpalped | <zoology> Destitute of a palp. Source: Websters Dictionary (01 Mar 1998) |
| unphysiological | Pertaining to conditions in the organism which are abnormal; can be used to refer to subjecting the body to abnormal amounts of substances normally present. (05 Mar 2000) |
| unpolarized light | <microscopy> A bundle of light rays having a common propagation direction but different vibration directions. (05 Aug 1998) |
| unpossibility | Impossibility. "Utter unpossibility." Source: Websters Dictionary (01 Mar 1998) |
| unpossible | An impossibility. ""Madam," quoth he, "this were an impossible!"" (Chaucer) Not possible; incapable of being done, of existing, etc.; unattainable in the nature of things, or by means at command; insuperably difficult under the circumstances; absurd or impracticable; not feasible. "With men this is impossible; but with God all things are possible." (Matt. Xix. 26) "Without faith it is impossible to please him." (Heb. Xi. <mathematics> Impossible quantity, an imagnary quantity. See Imaginary. Synonym: See Impracticable. Origin: F, fr. L. Impossibilis; pref. Im- not + possibilis possible. See Possible. Source: Websters Dictionary (01 Mar 1998) |
| unprovide | To deprive of necessary provision; to unfurnish. "Lest her . . . Beauty unprovide my mind again." (Shak) Origin: 1st pref. Un- + provide. Source: Websters Dictionary (01 Mar 1998) |