n. [ F. aqueduc, OF. aqueduct (Cotgr.), fr. L. aquaeductus; aquae, gen. of aqua water + ductus a leading, ducere to lead. See Aqua, Duke. ] 1. A conductor, conduit, or artificial channel for conveying water, especially one for supplying large cities with water. [ 1913 Webster ]

☞ The term is also applied to a structure (similar to the ancient aqueducts), for conveying a canal over a river or hollow; more properly called an aqueduct bridge. [ 1913 Webster ]

2. (Anat.) A canal or passage; as, the aqueduct of Sylvius, a channel connecting the third and fourth ventricles of the brain. [ 1913 Webster ]

v. t. [ imp. & p. p. Deducted; p. pr. & vb. n. Deducting. ] [ L. deductus, p. p. of deducere to deduct. See Deduce. ] 1. To lead forth or out. [ Obs. ] [ 1913 Webster ]

A people deducted out of the city of Philippos. Udall. [ 1913 Webster ]

2. To take away, separate, or remove, in numbering, estimating, or calculating; to subtract; -- often with from or out of. [ 1913 Webster ]

Deduct what is but vanity, or dress. Pope. [ 1913 Webster ]

Two and a half per cent should be deducted out of the pay of the foreign troops. Bp. Burnet. [ 1913 Webster ]

We deduct from the computation of our years that part of our time which is spent in . . . infancy. Norris. [ 1913 Webster ]

3. To reduce; to diminish. [ Obs. ] “Do not deduct it to days.” Massinger. [ 1913 Webster ]

adj. taken away. Opposite of added.
Syn. -- subtracted. [ WordNet 1.5 ]

a. 1. Capable of being deducted, taken away, or withdrawn. [ 1913 Webster ]

Not one found honestly deductible
From any use that pleased him. Mrs. Browning. [ 1913 Webster ]

2. Deducible; consequential. [ 1913 Webster ]

n. [ L. deductio: cf. F. déduction. ] 1. Act or process of deducing or inferring. [ 1913 Webster ]

The deduction of one language from another. Johnson. [ 1913 Webster ]

This process, by which from two statements we deduce a third, is called deduction. J. R. Seely. [ 1913 Webster ]

2. Act of deducting or taking away; subtraction; as, the deduction of the subtrahend from the minuend. [ 1913 Webster ]

3. That which is deduced or drawn from premises by a process of reasoning; an inference; a conclusion. [ 1913 Webster ]

Make fair deductions; see to what they mount. Pope. [ 1913 Webster ]

4. That which is or may be deducted; the part taken away; abatement; as, a deduction from the yearly rent in compensation for services; deductions from income in calculating income taxes.

Syn. -- See Induction. [ 1913 Webster ]

a. [ Cf. L. deductivus derivative. ] Of or pertaining to deduction; capable of being deduced from premises; deducible. [ 1913 Webster ]

All knowledge of causes is deductive. Glanvill. [ 1913 Webster ]

Notions and ideas . . . used in a deductive process. Whewell. [ 1913 Webster ]

adv. By deduction; by way of inference; by consequence. Sir T. Browne. [ 1913 Webster ]

‖n. [ L., a guide. See Deduce. ] (Zool.) The pilot whale or blackfish. [ 1913 Webster ]

n. [ L. eductum, fr. educere. ] That which is educed, as by analysis. Sir W. Hamilton. [ 1913 Webster ]

n. [ L. eductio. ] The act of drawing out or bringing into view. [ 1913 Webster ]

Eduction pipe, and
Eduction port. See Exhaust pipe and Exhaust port, under Exhaust, a. [ 1913 Webster ]

a. Tending to draw out; extractive. [ 1913 Webster ]

n. [ L., tutor. ] One who, or that which, brings forth, elicits, or extracts. [ 1913 Webster ]

Stimulus must be called an eductor of vital ether. E. Darwin. [ 1913 Webster ]

adj. not allowable as a tax deduction; as, political contributions are nondeductible. Opposite of deductible. [ WordNet 1.5 ]

v. t. [ L. reductus, p. p. of reducere. See Reduce. ] To reduce. [ Obs. ] W. Warde. [ 1913 Webster ]

n. The quality of being reducible; reducibleness. [ 1913 Webster ]

n. [ F. réduction, L. reductio. See Reduce. ] 1. The act of reducing, or state of being reduced; conversion to a given state or condition; diminution; conquest; as, the reduction of a body to powder; the reduction of things to order; the reduction of the expenses of government; the reduction of a rebellious province. [ 1913 Webster ]

2. (Arith. & Alg.) The act or process of reducing. See Reduce, v. t., 6. and To reduce an equation, To reduce an expression, under Reduce, v. t. [ 1913 Webster ]

3. (Astron.) (a) The correction of observations for known errors of instruments, etc. (b) The preparation of the facts and measurements of observations in order to deduce a general result. [ 1913 Webster ]

4. The process of making a copy of something, as a figure, design, or draught, on a smaller scale, preserving the proper proportions. Fairholt. [ 1913 Webster ]

5. (Logic) The bringing of a syllogism in one of the so-called imperfect modes into a mode in the first figure. [ 1913 Webster ]

6. (Chem. & Metal.) The act, process, or result of reducing{ 7 }; as, the reduction of iron from its ores; the reduction of an aldehyde into an alcohol. [ 1913 Webster ]

7. (Med.) The operation of restoring a dislocated or fractured part to its former place. [ 1913 Webster ]

Reduction ascending (Arith.), the operation of changing numbers of a lower into others of a higher denomination, as cents to dollars. --
Reduction descending (Arith.), the operation of changing numbers of a higher into others of a lower denomination, as dollars to cents. [ 1913 Webster ]

Syn. -- Diminution; decrease; abatement; curtailment; subjugation; conquest; subjection. [ 1913 Webster ]

a. [ Cf. F. réductif. ] Tending to reduce; having the power or effect of reducing. -- n. A reductive agent. Sir M. Hale. [ 1913 Webster ]

adv. By reduction; by consequence. [ 1913 Webster ]

n. [ L. seductio: cf. F. séduction. See Seduce. ] 1. The act of seducing; enticement to wrong doing; enticement to fail in some duty. [ 1913 Webster ]

2. Specifically: (a) The offense of inducing a woman to consent to unlawful sexual intercourse, by enticements which overcome her scruples; the wrong or crime of persuading a woman to surrender her chastity. [ Archaic ] (b) Any successful enticement to engage in some sexual activity, especially intercourse. [ 1913 Webster +PJC ]

3. That which seduces, or is adapted to seduce; means of leading astray; as, the seductions of wealth. [ 1913 Webster ]

a. Tending to lead astray; apt to mislead by flattering appearances; tempting; alluring; as, a seductive offer. [ 1913 Webster ]

This may enable us to understand how seductive is the influence of example. Sir W. Hamilton. [ 1913 Webster ]

adv. In a seductive manner. [ 1913 Webster ]

n. A woman who seduces; a female seducer. [ 1913 Webster ]