n. The tenets of the Averroists. [ 1913 Webster ]

n. One of a sect of peripatetic philosophers, who appeared in Italy before the restoration of learning; so denominated from Averroes, or Averrhoes, a celebrated Arabian philosopher. He held the doctrine of monopsychism. [ 1913 Webster ]

n. (Bot.) A plant (Lewisia rediviva) allied to the purslane, but with fleshy, farinaceous roots, growing in the mountains of Idaho, Montana, etc. It gives the name to the Bitter Root mountains and river. The Indians call both the plant and the river Spæt'lum. [ 1913 Webster ]

n. A counter account. See Control. [ Obs. ] Bacon. [ 1913 Webster ]

a. [ L. erroneus, fr. errare to err. See Err. ] 1. Wandering; straying; deviating from the right course; -- hence, irregular; unnatural. [ Obs. ] “Erroneous circulation.” Arbuthnot. [ 1913 Webster ]

Stopped much of the erroneous light, which otherwise would have disturbed the vision. Sir I. Newman. [ 1913 Webster ]

2. Misleading; misled; mistaking. [ Obs. ] [ 1913 Webster ]

An erroneous conscience commands us to do what we ought to omit. Jer. Taylor. [ 1913 Webster ]

3. Containing error; not conformed to truth or justice; incorrect; false; mistaken; as, an erroneous doctrine; erroneous opinion, observation, deduction, view, etc. -- Er*ro"ne*ous*ly, adv. -- Er*ro"ne*ous*ness, n. [ 1913 Webster ]

n. inadvertent incorrectness.
Syn. -- error. [ WordNet 1.5 ]

n. [ OF. error, errur, F. erreur, L. error, fr. errare to err. See Err. ] 1. A wandering; a roving or irregular course. [ Obs. ] [ 1913 Webster ]

The rest of his journey, his error by sea. B. Jonson. [ 1913 Webster ]

2. A wandering or deviation from the right course or standard; irregularity; mistake; inaccuracy; something made wrong or left wrong; as, an error in writing or in printing; a clerical error. [ 1913 Webster ]

3. A departing or deviation from the truth; falsity; false notion; wrong opinion; mistake; misapprehension. [ 1913 Webster ]

His judgment was often in error, though his candor remained unimpaired. Bancroft. [ 1913 Webster ]

4. A moral offense; violation of duty; a sin or transgression; iniquity; fault. Ps. xix. 12. [ 1913 Webster ]

5. (Math.) The difference between the approximate result and the true result; -- used particularly in the rule of double position. [ 1913 Webster ]

6. (Mensuration) (a) The difference between an observed value and the true value of a quantity. (b) The difference between the observed value of a quantity and that which is taken or computed to be the true value; -- sometimes called residual error. [ 1913 Webster ]

7. (Law.) A mistake in the proceedings of a court of record in matters of law or of fact. [ 1913 Webster ]

8. (Baseball) A fault of a player of the side in the field which results in failure to put out a player on the other side, or gives him an unearned base. [ 1913 Webster ]

Law of error, or
Law of frequency of error (Mensuration), the law which expresses the relation between the magnitude of an error and the frequency with which that error will be committed in making a large number of careful measurements of a quantity. --
Probable error. (Mensuration) See under Probable. --
Writ of error (Law), an original writ, which lies after judgment in an action at law, in a court of record, to correct some alleged error in the proceedings, or in the judgment of the court. Bouvier. Burrill.

Syn. -- Mistake; fault; blunder; failure; fallacy; delusion; hallucination; sin. See Blunder. [ 1913 Webster ]

a. Full of error; wrong. Foxe. [ 1913 Webster ]

n. One who encourages and propagates error; one who holds to error. [ 1913 Webster ]

(Chem.) A prefix, or combining form, indicating ferrous iron as an ingredient; as, ferrocyanide. [ 1913 Webster ]

n. [ Ferro- + calcite. ] Limestone containing a large percentage of iron carbonate, and hence turning brown on exposure. [ 1913 Webster ]

n. (Arch. & Engin.) Concrete strengthened by a core or foundation skeleton of iron or steel bars, strips, etc. Floors, columns, piles, water pipes, etc., have been successfully made of it. Called also armored concrete steel, and most commonly reenforced concrete. [ Webster 1913 Suppl. +PJC ]

n. [ Ferro- + cyanate: cf. F. ferrocyanate. ] (Chem.) A salt of ferrocyanic acid; a ferrocyanide. [ 1913 Webster ]

a. [ Ferro- + cyanic: cf. F. ferrocyanique. ] (Chem.) Pertaining to, derived from, or designating, a ferrocyanide. [ 1913 Webster ]

ferrocyanic acid (Chem.), a white crystalline substance, H4(CN)6Fe, of strong acid properties, obtained from potassium ferrocyanide, and regarded as the type of the ferrocyanides; -- called also hydro-ferrocyanic acid, hydrogen ferrocyanide. etc. [ 1913 Webster ]

n. [ Ferro- + cyanide. ] (Chem.) One of a series of complex double cyanides of ferrous iron and some other base. [ 1913 Webster ]

Potassium ferrocyanide (Chem.), yellow prussiate of potash; a tough, yellow, crystalline salt, K4(CN)6Fe, the starting point in the manufacture of almost all cyanogen compounds, and the basis of the ferric ferrocyanate, prussian blue. It is obtained by strongly heating together potash, scrap iron, and animal matter containing nitrogen, as horn, leather, blood, etc., in iron pots. [ 1913 Webster ]

n. [ Ferro- + prussiate. ] (Chem.) A ferrocyanate; a ferocyanide. [ R. ] [ 1913 Webster ]

a. [ Ferro- + prussic. ] (Chem.) Ferrocyanic. [ 1913 Webster ]

(Chem.) See Ferro-. [ 1913 Webster ]

n. [ L. ferrum iron + -type. ] A photographic picture taken on an iron plate by a collodion process; -- familiarly called tintype. [ 1913 Webster ]

a. [ Cf. F. ferreux. See Ferreous. ] (Chem.) Pertaining to, or derived from, iron; -- especially used of compounds of iron in which the iron has its lower valence of two; as, ferrous sulphate. [ 1913 Webster ]

n. tall leafy European biennial or perennial (Digitalis purpurea) having spectacular clusters of large tubular pink-purple flowers; -- its leaves yield the drug digitalis and are poisonous to livestock.
Syn. -- common foxglove, fairy bell, fingerflower, Digitalis purpurea. [ WordNet 1.5 ]

n. The pungent rhizome of the common ginger plant; -- it is used fresh as a seasoning, especially in Oriental cookery.
Syn. -- ginger. [ WordNet 1.5 ]

n. [ Supposed to be brought from Guelderland; hence, D. Geldersche roos, G. Gelderische rose, F. rose de Gueldre, It. rose di Gueldra, Sp. rosa de Gueldres. ] (Bot.) A cultivated variety of a species of Viburnum (V. Opulus), bearing large bunches of white flowers; -- called also snowball tree.

a. [ Hydro-, 2 + ferrocyanic. ] (Chem.) Pertaining to, or containing, or obtained from, hydrogen, ferrous iron, and cyanogen; as, hydroferrocyanic acid. See Ferrocyanic. [ 1913 Webster ]

v. t. [ imp. & p. p. Interrogating ] [ L. interrogatus, p. p. of interrogare to ask; inter between + rogare to ask. See Rogation. ] To question formally; to question; to examine by asking questions; as, to interrogate a witness. [ 1913 Webster ]

Wilt thou, uncalled, interrogate,
Talker! the unreplying Fate? Emerson.

Syn. -- To question; ask. See Question. [ 1913 Webster ]

v. i. To ask questions. Bacon. [ 1913 Webster ]

n. An interrogation; a question. [ Obs. ] Bp. Hall. [ 1913 Webster ]

n. One who is interrogated. [ 1913 Webster ]

n. [ L. interrogatio: cf. F. interrogation. ] [ 1913 Webster ]

1. The act or process of interrogating or questioning; examination by questions; an instance of interrogating; inquiry. [ 1913 Webster ]

2. A question put; an inquiry. [ 1913 Webster ]

3. A point, mark, or sign, thus [ ? ], indicating that the sentence with which it is connected is a question. It is used to express doubt, or to mark a query. Usually called a question mark; called also interrogation point. [ 1913 Webster +PJC ]

☞ In works printed in the Spanish language this mark is not only placed at the end of an interrogative sentence, but is also placed, inverted [ as thus (¿) ], at the beginning. [ 1913 Webster ]

n. (Gram.) A word used in asking questions; as, who? which? why? [ 1913 Webster ]

a. [ L. interrogativus: cf. F. interrogatif. ] Denoting a question; expressed in the form of a question; as, an interrogative sentence; an interrogative pronoun. [ 1913 Webster ]

adv. In the form of, or by means of, a question; in an interrogative manner. [ 1913 Webster ]

n. [ L.: cf. F. interrogateur. ] One who asks questions; a questioner. [ 1913 Webster ]

n.; pl. Interrogatories [ Cf. F. interrogatoire. ] A formal question or inquiry; esp. (Law), a question or series of questions asked in writing, usually as part of a lawsuit. Macaulay. [ 1913 Webster ]

a. [ L. interrogatorius. ] Containing, expressing, or implying a question; as, an interrogatory sentence. [ 1913 Webster ]

. (Med.) A sudden awakening associated with a sensation of terror, occurring in children, esp. those of unstable nervous constitution. [ Webster 1913 Suppl. ]

v. t. To roast too much. Shak. [ 1913 Webster ]

n. [ F. ] (Arch.) An out-of-door flight of steps, as in a garden, leading to a terrace or to an upper story; -- usually applied to mediævel or later structures of some architectural pretensions. [ Webster 1913 Suppl. ]

n. [ F. ] (Zool.) See Paroquet, Parakeet. [ 1913 Webster ]

v. t. To interrogate again; to question repeatedly. Cotgrave. [ 1913 Webster ]

a. [ L. serra a saw. ] Like the teeth off a saw; jagged. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

n. [ Gr. &unr_; firm, solid + E. metal. ] Any alloy of copper, zinc, tin, and iron, of which cannon are sometimes made. [ 1913 Webster ]

a. Larger than royal; -- said of a particular size of printing and writing paper. See the Note under Paper, n. [ 1913 Webster ]

n. [ L. terror, akin to terrere to frighten, for tersere; akin to Gr. &unr_; to flee away, dread, Skr. tras to tremble, to be afraid, Russ. triasti to shake: cf. F. terreur. Cf. Deter. ] 1. Extreme fear; fear that agitates body and mind; violent dread; fright. [ 1913 Webster ]

Terror seized the rebel host. Milton. [ 1913 Webster ]

2. That which excites dread; a cause of extreme fear. [ 1913 Webster ]

Those enormous terrors of the Nile. Prior. [ 1913 Webster ]

Rulers are not a terror to good works. Rom. xiii. 3. [ 1913 Webster ]

There is no terror, Cassius, in your threats. Shak. [ 1913 Webster ]

☞ Terror is used in the formation of compounds which are generally self-explaining: as, terror-fraught, terror-giving, terror-smitten, terror-stricken, terror-struck, and the like. [ 1913 Webster ]

King of terrors, death. Job xviii. 14. --
Reign of Terror. (French Hist.) See in Dictionary of Noted Names in Fiction. [ 1913 Webster ]

Syn. -- Alarm; fright; consternation; dread; dismay. See Alarm. [ 1913 Webster ]

n. [ Cf. F. terrorisme. ] 1. The act of terrorizing, or state of being terrorized; a mode of government by terror or intimidation. Jefferson. [ 1913 Webster ]

2. The practise of coercing governments to accede to political demands by committing violence on civilian targets; any similar use of violence to achieve goals. [ PJC ]

n. [ F. terroriste. ] 1. One who governs by terrorism or intimidation; specifically, an agent or partisan of the revolutionary tribunal during the Reign of Terror in France. Burke. [ 1913 Webster ]

2. One who commits terrorism{ 2 }. [ PJC ]

v. t. [ Cf. F. terroriser. ] To impress with terror; to coerce by intimidation. [ 1913 Webster ]

Humiliated by the tyranny of foreign despotism, and terrorized by ecclesiastical authority. J. A. Symonds. [ 1913 Webster ]

a. Free from terror. Poe. [ 1913 Webster ]

The method of discovering something desirable by trying many different things until one works; as, the traditional method of finding new drugs is by trial and error. [ PJC ]

And millions miss for one that hits. Swift. [ 1913 Webster ]