n. 1. (Palaeontology) the evolutionary generation of multiple specialized life forms from one ancestral form, evidenced in the fossil record. The inverse of extinction. [ PJC ]

n. [ Auto- + radiogram. ] (Biochemistry) an image produced upon photographic film by exposure of the film to a radioactive substance in close proximity to (usually in contact with) the film. Recording the distribution of radioactive materials on an autoradiogram is a technique much used in biochemical research as part of analytical procedures, in which radioactively labeled substances are subjected to a separation process (such as electrophoresis) which can help to characterize the substance, and the resulting distribution of the labeled substance is recorded on an autoradiogram. In microbiology and cell biology, autoradiograms may be made on the same film as a photomicrograph, permitting observation of the distribution of labeled compounds within a cell. [ PJC ]

n. same as autoradiogram. [ PJC ]

n. the process of producing an autoradiogram by exposing photographic film to a radioactive substance in close proximity to the film. [ PJC ]

Same as Beetrave. [ 1913 Webster ]

adj. showing both bilateral and radial symmetry. some sea anemones are biradial. [ WordNet 1.5 ]

{ } a. [ Pref. bi- + radiate. ] Having two rays; as, a biradiate fin. [ 1913 Webster ]

(Zool.) The name of several very beautiful birds of the genus Paradisea and allied genera, inhabiting New Guinea and the adjacent islands. The males have brilliant colors, elegant plumes, and often remarkable tail feathers. [ 1913 Webster ]

☞ The Great emerald (Paradisea apoda) and the Lesser emerald (Paradisea minor) furnish many of the plumes used as ornaments by ladies; the Red bird of paradise is Paradisea rubra or Paradisea sanguinea; the Golden bird of paradise is Parotia aurea or Parotia sexsetacea; the King bird of paradise is Cincinnurus regius. The name is also applied to the longer-billed birds of another related group (Epimachinæ) from the same region. The Twelve-wired bird of paradise (Seleucides alba) is one of these. See Paradise bird, and Note under Apod. [ 1913 Webster ]

n. a handsome shrub (Hamelia patens) with showy orange to scarlet or crimson flowers; it grows from Florida and West Indies to Mexico and Brazil.
Syn. -- scarlet bush, scarlet hamelia, Hamelia patens, Hamelia erecta. [ WordNet 1.5 ]

v. t. [ imp. & p. p. Contradicted; p. pr. & vb. n. Contradicting. ] [ L. contradictus, p. p. of contradicere to speak against; contra + dicere to speak. See Diction. ] 1. To assert the contrary of; to oppose in words; to take issue with; to gainsay; to deny the truth of, as of a statement or a speaker; to impugn. [ 1913 Webster ]

Dear Duff, I prithee, contradict thyself,
And say it is not so. Shak. [ 1913 Webster ]

The future can not contradict the past. Wordsworth. [ 1913 Webster ]

2. To be contrary to; to oppose; to resist. [ Obs. ] [ 1913 Webster ]

No truth can contradict another truth. Hooker. [ 1913 Webster ]

A greater power than we can contradict
Hath thwarted our intents. Shak. [ 1913 Webster ]

v. i. To oppose in words; to gainsay; to deny, or assert the contrary of, something. [ 1913 Webster ]

They . . . spake against those things which were spoken by Paul, contradicting and blaspheming. Acts xiii. 45. [ 1913 Webster ]

a. Capable of being contradicted. [ 1913 Webster ]

n. one who contradicts. Swift. [ 1913 Webster ]

n. [ L. contradictio answer, objection: cf. F. contradiction. ] 1. An assertion of the contrary to what has been said or affirmed; denial of the truth of a statement or assertion; contrary declaration; gainsaying. [ 1913 Webster ]

His fair demands
Shall be accomplished without contradiction. Shak. [ 1913 Webster ]

2. Direct opposition or repugnancy; inconsistency; incongruity or contrariety; one who, or that which, is inconsistent. [ 1913 Webster ]

can he make deathless death? That were to make
Strange contradiction. Milton. [ 1913 Webster ]

We state our experience and then we come to a manly resolution of acting in contradiction to it. Burke. [ 1913 Webster ]

Both parts of a contradiction can not possibly be true. Hobbes. [ 1913 Webster ]

Of contradictions infinite the slave. Wordsworth. [ 1913 Webster ]

Principle of contradiction (Logic), the axiom or law of thought that a thing cannot be and not be at the same time, or a thing must either be or not be, or the same attribute can not at the same time be affirmed and and denied of the same subject; also called the law of the excluded middle. It develops itself in three specific forms which have been called the “Three Logical Axioms.” First, “A is A.” Second, “A is not Not-A” Third, “Everything is either A or Not-A.” [ 1913 Webster ]

a. Contradictory; inconsistent; opposing. [ R. ] Milton. [ 1913 Webster ]

a. 1. Filled with contradictions; inconsistent. [ Obs. ] [ 1913 Webster ]

2. Inclined to contradict or cavil [ Obs. ] Sharp.

-- Con`tra*dic"tious*ness, n. Norris. [1913 Webster]

a. Contradictory; inconsistent. -- Con`tra*dict"ive*ly, adv. [1913 Webster]

n. [ L. ] A contradicter. [ 1913 Webster ]

adv. In a contradictory manner. Sharp. [ 1913 Webster ]

n. The quality of being contradictory; opposition; inconsistency. J. Whitaker. [ 1913 Webster ]

a. [ LL. contradictorius: cf. F. contradictoire. ] 1. Affirming the contrary; implying a denial of what has been asserted; also, mutually contradicting; inconsistent. “Contradictory assertions.” South. [ 1913 Webster ]

2. Opposing or opposed; repugnant. [ 1913 Webster ]

Schemes . . . contradictory to common sense. Addisn. [ 1913 Webster ]

n.; pl. Contradictories 1. A proposition or thing which denies or opposes another; contrariety. [ 1913 Webster ]

It is common with princes to will contradictories. Bacon. [ 1913 Webster ]

2. pl. (Logic) propositions with the same terms, but opposed to each other both in quality and quantity. [ 1913 Webster ]

a. Distinguished by opposite qualities. J. Goodwin. [ 1913 Webster ]

n. Distinction by contrast. [ 1913 Webster ]

That there are such things as sins of infirmity in contradistinction to those of presumption is not to be questioned. South. [ 1913 Webster ]

a. having the quality of contradistinction; distinguishing by contrast. -- Con`tra*dis*tinc"tive, n. [1913 Webster]

v. t. [ imp. & p. p. Contradistinguished p. pr. & vb. n. Contradistinguishing. ] To distinguish by a contrast of opposite qualities. [ 1913 Webster ]

These are our complex ideas of soul and body, as contradistinguished. Locke. [ 1913 Webster ]

a. Radiating to or from the same point. [ R. ] Coleridge. [ 1913 Webster ]

v. t. To converge to one point or focus, as light or rays. [ 1913 Webster ]

n. A conjunction or concentration of rays in one point. Bacom [ 1913 Webster ]

a. causing humiliation or degradation; as, a degrading surrender. [ PJC ]

adv. In a degrading manner. [ 1913 Webster ]

n. [ Pref. di- + radiation. ] The emission and diffusion of rays of light. [ 1913 Webster ]

a. Removed from paradise. [ R. ] Cockeram. [ 1913 Webster ]

v. t. Same as Imparadise. [ 1913 Webster ]

pos>a. [ Equi- + radical. ] Equally radical. [ R. ] Coleridge. [ 1913 Webster ]

v. i. [ imp. & p. p. Eradiated p. pr. & vb. n. Eradiating ] [ Pref. e- + radiate. ] To shoot forth, as rays of light; to beam; to radiate. Dr. H. More. [ 1913 Webster ]

n. Emission of radiance. [ 1913 Webster ]

a. Capable of being eradicated. [ 1913 Webster ]

v. t. [ imp. & p. p. Eradicated p. pr. & vb. n. Eradicating ] [ L. eradicatus, p. p. of eradicare to eradicate; e out + radix, radicis, root. See Radical. ] 1. To pluck up by the roots; to root up; as, an oak tree eradicated. [ 1913 Webster ]

2. To root out; to destroy utterly; to extirpate; as, to eradicate diseases, or errors. [ 1913 Webster ]

This, although now an old an inveterate evil, might be eradicated by vigorous treatment. Southey.

Syn. -- To extirpate; root out; exterminate; destroy; annihilate. [ 1913 Webster ]

n. [ L. eradicatio: cf. F. éradication. ] 1. The act of plucking up by the roots; a rooting out; extirpation; utter destruction. [ 1913 Webster ]

2. The state of being plucked up by the roots. [ 1913 Webster ]

a. [ Cf. éradicatif. ] Tending or serving to eradicate; curing or destroying thoroughly, as a disease or any evil. [ 1913 Webster ]

n. (Med.) A medicine that effects a radical cure. Whitlock. [ 1913 Webster ]

a. [ Pref. extra- + L. dictio a saying. See Diction. ] Consisting not in words, but in realities. [ Obs. ] [ 1913 Webster ]

Of these extradictionary and real fallacies, Aristotle and logicians make in number six. Sir T. Browne. [ 1913 Webster ]

a. 1. Subject, or liable, to extradition, as a fugitive from justice. [ 1913 Webster ]

2. Making liable to extradition; as, extraditable offenses. [ 1913 Webster ]

v. t. [ imp. & p. p. Extradited p. pr. & vb. n. Extraditing ] To deliver up by one government to another, as a fugitive from justice. See Extradition. [ 1913 Webster ]

n. [ L. ex out + traditio a delivering up: cf. F. extradition. See Tradition. ] The surrender or delivery of an alleged criminal by one State or sovereignty to another having jurisdiction to try charge. [ 1913 Webster ]

a. Of or pertaining to Michael Faraday, the distinguished electrician; -- applied especially to induced currents of electricity, as produced by certain forms of inductive apparatus, on account of Faraday's investigations of their laws.

{ } n. (Med.) The treatment with faradic or induced currents of electricity for remedial purposes. [ 1913 Webster ]

v. t. [ imp. & p. p. Faradized p. pr. & vb. n. Faradizing ] (Med.) To stimulate with, or subject to, faradic, or inducted, electric currents. -- Far"a*diz`er n. [Webster 1913 Suppl.]

a. [ L. gradiens, p. pr. of gradi to step, to go. See Grade. ] 1. Moving by steps; walking; as, gradient automata. Wilkins. [ 1913 Webster ]

2. Rising or descending by regular degrees of inclination; as, the gradient line of a railroad. [ 1913 Webster ]

3. Adapted for walking, as the feet of certain birds. [ 1913 Webster ]