| unicellular gland | A single secretory cell such as a mucous goblet cell. (05 Mar 2000) |
|---|---|
| unicellular sclerosis | A growth of fibrous tissue between and isolating the individual cells of a part. (05 Mar 2000) |
| unicentral | <biology> Having a single center of growth. Unicentral development, that form of development which takes place primarily around a single central point, as in the lowest of unicellular organisms. Origin: Uni- + central. Source: Websters Dictionary (01 Mar 1998) |
| unicity | The condition of being united; quality of the unique; unification. "Not unity, but what the schoolmen call unicity." (De Quincey) "The unicity we strive not to express, for that is impossible, but to designate by the nearest analogy." (Coleridge) Origin: L. Unicus single. See Unique. Source: Websters Dictionary (01 Mar 1998) |
| uniclinal | <geology> See Nonoclinal. Origin: Uni- + Gr. To incline. Source: Websters Dictionary (01 Mar 1998) |
| unicolourous | <zoology> Having the surface of a uniform colour. Origin: Uni- + colour. Source: Websters Dictionary (01 Mar 1998) |
| unicorn | 1. A fabulous animal with one horn; the monoceros; often represented in heraldry as a supporter. 2. A two-horned animal of some unknown kind, so called in the Authorised Version of the Scriptures. "Canst thou bind the unicorn with his band in the furrow?" (Job xxxix. 10) The unicorn mentioned in the Scripture was probably the urus. See the Note under Reem. 3. <zoology> Any large beetle having a hornlike prominence on the head or prothorax. The larva of a unicorn moth. 4. <zoology> The kamichi. Synonym: unicorn bird. 5. A howitzer. <medicine> Fossil unicorn, or Fossil unicorn's horn, a notodontian moth (Coelodasys unicornis) whose caterpillar has a prominent horn on its back; called also unicorn prominent. <botany> Unicorn root, any one of several species of marine gastropods having a prominent spine on the lip of the shell. most of them belong to the genera Monoceros and Leucozonia. Origin: OE. Unicorne, F. Unicorne, L. Unicornis one-horned, having a single horn; unus one + cornu a horn; cf. L. Unicornuus a unicorn. See One, and Horn. Source: Websters Dictionary (01 Mar 1998) |
| unicorn uterus | A uterus in which only one lateral half exists, the other half being undeveloped or absent. Synonym: uterus unicornis. (05 Mar 2000) |
| unicornous | <zoology> Having but a single horn; said of certain insects. "Unicornous beetles." See: Unicorn. Source: Websters Dictionary (01 Mar 1998) |
| unicornuate | Having one horn or being shaped-shaped. The uterus is normally unicornuate. (12 Dec 1998) |
| unicostate | <botany> Having a single rib or strong nerve running upward from the base; said of a leaf. Origin: Uni- + costate. Source: Websters Dictionary (01 Mar 1998) |
| unicursal | <geometry> That can be passed over in a single course; said of a curve when the coordinates of the point on the curve can be expressed as rational algebraic functions of a single parameter <theta/. As <theta/ varies minus infinity to plus infinity, to each value of <theta/ there corresponds one, and only one, point of the curve, while to each point on the curve there corresponds one, and only one, value of <theta/. Straight lines, conic sections, curves of the third order with a nodal point, curves of the fourth order with three double points, etc, are unicursal. Origin: Uni- + L. Currere, cursum, to run. Source: Websters Dictionary (01 Mar 1998) |
| unicuspid | Unicuspidate Having only one cusp, as a canine tooth. (05 Mar 2000) |
| unidentified reading frame | <molecular biology> A reading frame in a sequence of nucleotides in DNA that contains no termination codons and so can potentially translate as a polypeptide chain. (18 Nov 1997) |
| unidimensional | <mathematics> Having but one dimension. See Dimension. Origin: Uni- + dimensional. Source: Websters Dictionary (01 Mar 1998) |