| upright | 1. In an erect position or posture; perpendicular; vertical, or nearly vertical; pointing upward; as, an upright tree. "With chattering teeth, and bristling hair upright." (Dryden) "All have their ears upright." (Spenser) 2. Morally erect; having rectitude; honest; just; as, a man upright in all his ways. "And that man [Job] was perfect and upright." (Job i. 1) 3. Conformable to moral rectitude. "Conscience rewards upright conduct with pleasure." (J. M. Mason) 4. Stretched out face upward; flat on the back. " He lay upright. <machinery>" Upright drill, a drilling machine having the spindle vertical. This word and its derivatives are usually pronounced in prose with the accent on the first syllable. But they are frequently pronounced with the accent on the second in poetry, and the accent on either syllable is admissible. Origin: AS. Upright, uppriht. See Up, and Right. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| uprun | To run up; to ascend. "The young sun That in the Ram is four degrees uprun." (Chaucer) "[A son] of matchless might, who, like a thriving plant, Upran to manhood." (Cowper) Source: Websters Dictionary (01 Mar 1998) |
| upsarokas | <ethnology> See Crows. Source: Websters Dictionary (01 Mar 1998) |
| upset | Set up; fixed; determined; used chiefly or only in the phrase upset price; that is, the price fixed upon as the minimum for property offered in a public sale, or, in an auction, the price at which property is set up or started by the auctioneer, and the lowest price at which it will be sold. "After a solemn pause, Mr. Glossin offered the upset price for the lands and barony of Ellangowan." (Sir W. Scott) Source: Websters Dictionary (01 Mar 1998) |
| upshot | Final issue; conclusion; the sum and substance; the end; the result; the consummation. "I can not pursue with any safety this sport to the upshot." (Shak) "We account it frailty that threescore years and ten make the upshot of man's pleasurable existence." (De Quincey) Origin: Up + shot, equivalent to scot share, reckoning. Cf. The phrase to cast up an account. Source: Websters Dictionary (01 Mar 1998) |
| upsiloid | <anatomy> Resembling the Greek letter <UPSILON/ in form; hyoid. Origin: From <UPSILON/, the Greek letter called "upsilon". Source: Websters Dictionary (01 Mar 1998) |
| upsilon | 20th Letter in the Greek alphabet. (05 Mar 2000) |
| upsitting | A sitting up of a woman after her confinement, to receive and entertain her friends. "To invite your lady's upsitting." (Beau. & Fl) Source: Websters Dictionary (01 Mar 1998) |
| upstart | 1. One who has risen suddenly, as from low life to wealth, power, or honor; a parvenu. 2. <botany> The meadow saffron. Source: Websters Dictionary (01 Mar 1998) |
| upstream | <molecular biology> Refers to nucleotide sequences that precede the codons specifying the mRNA or that precede (are on the 5' side of) the protein coding sequence. Also used of the early events in any process that involves sequential reactions. (18 Nov 1997) |
| upstream activation site | A DNA sequence that regulates transcription like an enhancer but does notwork if its located downstream from a promoter. (09 Oct 1997) |
| uptake | The absorption by a tissue of some substance, food material, mineral, etc. And its permanent or temporary retention. (05 Mar 2000) |
| uptake hydrogenase | <enzyme> Isolated from heterocysts of aerobically grown anabena filaments; also from rhodobacter capsulatus; belongs to the class of nife hydrogenases; allows the cell to grow autographically with h(2) as the electron source; isolated as a heterodimer comprising a small and large subunit; has been sequenced Registry number: EC 1.12.- Synonym: h2-oxidizing(uptake) hydrogenase, hydrogenase II, h2-uptake hydrogenase (26 Jun 1999) |
| upthrow | <chemical> See Throw. Source: Websters Dictionary (01 Mar 1998) |
| upupa | <ornithology> A genus of birds which includes the common hoopoe. Origin: L, the hoopoe. Source: Websters Dictionary (01 Mar 1998) |