Webster's Dictionary, 1913

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Intercrural adjective (Anat.) Between crura; -- applied especially to the interneural plates in the vertebral column of many cartilaginous fishes.

Intercur intransitive verb [ Latin intercurrere . See Intercourse .] To intervene; to come or occur in the meantime. [ Obsolete] Shelton.

Intercurrence noun [ See Intercurrent .] A passing or running between; occurrence. Boyle.

Intercurrent adjective [ Latin intercurrens , present participle of intercurrere : confer French intercurrent . See Intercur .]


1. Running between or among; intervening. Boyle. Bp. Fell.

2. (Medicine) (a) Not belonging to any particular season. (b) Said of diseases occurring in the course of another disease. Dunglison.

Intercurrent noun Something intervening. Holland.

Intercutaneous adjective Subcutaneous.

Interdash transitive verb [ imperfect & past participle Interdashed ; present participle & verbal noun Interdashing .] To dash between or among; to intersperse. Cowper.

Interdeal intransitive verb To intrigue. [ Obsolete] Daniel.

Interdenominational adjective Occurring between or among, or common to, different denominations; as, interdenominational fellowship or belief.

Interdental adjective
1. Situated between teeth; as, an interdental space, the space between two teeth in a gear wheel.

2. (Phon.) Formed between the upper and lower teeth; as, interdental consonants.

Interdentil noun (Architecture) The space between two dentils. Gwilt.

Interdependence noun Mutual dependence. "The interdependence of virtue and knowledge." M. Arnold.

Interdependency noun Mutual dependence; as, interdependency of interests. De Quincey.

Interdependent adjective Mutually dependent.

Interdict transitive verb [ imperfect & past participle Interdicted ; present participle & verbal noun Interdicting .] [ Middle English entrediten to forbid communion, Latin interdicere , interdictum . See Interdict , noun ]


1. To forbid; to prohibit or debar; as, to interdict intercourse with foreign nations.

Charged not to touch the interdicted tree.
Milton.

2. (Eccl.) To lay under an interdict; to cut off from the enjoyment of religious privileges, as a city, a church, an individual.

An archbishop may not only excommunicate and interdict his suffragans, but his vicar general may do the same.
Ayliffe.

Interdict noun [ Middle English entredit , enterdit , Old French entredit , French interdit , from Latin interdictum , from interdicere to interpose, prohibit; inter between + dicere to say. See Diction .]


1. A prohibitory order or decree; a prohibition.

These are not fruits forbidden; no interdict
Defends the touching of these viands pure.
Milton.

2. (R. C. Ch.) A prohibition of the pope, by which the clergy or laymen are restrained from performing, or from attending, divine service, or from administering the offices or enjoying the privileges of the church.

3. (Scots Law) An order of the court of session, having the like purpose and effect with a writ of injunction out of chancery in England and America.

Interdiction noun [ Latin interdictio : confer French interdiction .] The act of interdicting; prohibition; prohibiting decree; curse; interdict.

The truest issue of thy throne
By his own interdiction stands accurst.
Shak.

Interdictive adjective Having the power to prohibit; as, an interdictive sentence. Milton.

Interdictory adjective [ Latin interdictorius .] Belonging to an interdiction; prohibitory.

Interdigital adjective (Anat.) Between the fingers or toes; as, interdigital space.

Interdigitate transitive verb To interweave. [ R.]

Interdigitate intransitive verb [ Prefix inter- + Latin digitus finger.] To interlock, as the fingers of two hands that are joined; to be interwoven; to commingle. Owen.

Interdigitation noun (Anat.) The state of interdigitating; interdigital space. Owen.

Interdome noun (Architecture) The open space between the inner and outer shells of a dome or cupola of masonry.

Interduce noun [ Confer French entre- deux , literally, between two.] (Carp.) An intertie.

Interepimeral adjective (Zoology) Between the epimeral plates of insects and crustaceans.

Interequinoctial adjective Coming between the equinoxes.

Summer and winter I have called interequinoctial intervals.
F. Balfour.

Interess transitive verb [ See Interest , transitive verb ] To interest or affect. [ Obsolete] Hooker.

Interesse noun Interest. [ Obsolete] Spenser.

Interest transitive verb [ imperfect & past participle Interested ; present participle & verbal noun Interesting .] [ From interess'd , past participle of the older form interess , from French intéresser , Latin interesse . See Interest , noun ]


1. To engage the attention of; to awaken interest in; to excite emotion or passion in, in behalf of a person or thing; as, the subject did not interest him; to interest one in charitable work.

To love our native country . . . to be interested in its concerns is natural to all men.
Dryden.

A goddess who used to interest herself in marriages.
Addison.

2. To be concerned with or engaged in; to affect; to concern; to excite; -- often used impersonally. [ Obsolete]

Or rather, gracious sir,
Create me to this glory, since my cause
Doth interest this fair quarrel.
Ford.

3. To cause or permit to share. [ Obsolete]

The mystical communion of all faithful men is such as maketh every one to be interested in those precious blessings which any one of them receiveth at God's hands.
Hooker.

Syn. -- To concern; excite; attract; entertain; engage; occupy; hold.

Interest noun [ Old French interest , French intérêt , from Latin interest it interests, is of interest, from interesse to be between, to be difference, to be importance; inter between + esse to be; confer Late Latin interesse usury. See Essence .]


1. Excitement of feeling, whether pleasant or painful, accompanying special attention to some object; concern.

» Interest expresses mental excitement of various kinds and degrees. It may be intellectual, or sympathetic and emotional, or merely personal; as, an interest in philosophical research; an interest in human suffering; the interest which an avaricious man takes in money getting.

So much interest have I in thy sorrow.
Shak.

2. Participation in advantage, profit, and responsibility; share; portion; part; as, an interest in a brewery; he has parted with his interest in the stocks.

3. Advantage, personal or general; good, regarded as a selfish benefit; profit; benefit.

Divisions hinder the common interest and public good.
Sir W. Temple.

When interest calls of all her sneaking train.
Pope.

4. Premium paid for the use of money, -- usually reckoned as a percentage; as, interest at five per cent per annum on ten thousand dollars.

They have told their money, and let out
Their coin upon large interest .
Shak.

5. Any excess of advantage over and above an exact equivalent for what is given or rendered.

You shall have your desires with interest .
Shak.

6. The persons interested in any particular business or measure, taken collectively; as, the iron interest ; the cotton interest .

Compound interest , interest, not only on the original principal, but also on unpaid interest from the time it fell due. -- Simple interest , interest on the principal sum without interest on overdue interest.

Interested (ĭn"tẽr*ĕst*ĕd) adjective [ See Interest , transitive verb ]


1. Having the attention engaged; having emotion or passion excited; as, an interested listener.

2. Having an interest; concerned in a cause or in consequences; liable to be affected or prejudiced; as, an interested witness.

Interestedness noun The state or quality of being interested; selfishness. Richardson.

Interesting adjective Engaging the attention; exciting, or adapted to excite, interest, curiosity, or emotion; as, an interesting story; interesting news. Cowper.

Interestingly adverb In an interesting manner.

Interestingness noun The condition or quality of being interesting. A. Smith.

Interfacial adjective (Geom.) Included between two plane surfaces or faces; as, an interfacial angle.

Interfascicular adjective (Anat.) Between fascicles or bundles; as, the interfascicular spaces of connective tissue.

Interferant noun (Law) One of the contestants in interference before the Patent Office. [ U.S.]

Interfere intransitive verb [ imperfect & past participle Interfered ; present participle & verbal noun Interfering .] [ Old French entreferir to strike each other; entre between (L. inter ) + Old French ferir to strike, French férir , from Latin ferire . See Ferula .]


1. To come in collision; to be in opposition; to clash; as, interfering claims, or commands.

2. To enter into, or take a part in, the concerns of others; to intermeddle; to interpose.

To interfere with party disputes.
Swift.

There was no room for anyone to interfere with his own opinions.
Bp. Warburton.

3. To strike one foot against the opposite foot or ankle in using the legs; -- sometimes said of a human being, but usually of a horse; as, the horse interferes .

4. (Physics) To act reciprocally, so as to augment, diminish, or otherwise affect one another; -- said of waves, rays of light, heat, etc. See Interference , 2.

5. (Patent Law) To cover the same ground; to claim the same invention.

Syn. -- To interpose; intermeddle. See Interpose .

Interference noun [ See Interfere .]


1. The act or state of interfering; as, the stoppage of a machine by the interference of some of its parts; a meddlesome interference in the business of others.

2. (Physics) The mutual influence, under certain conditions, of two streams of light, or series of pulsations of sound, or, generally, two waves or vibrations of any kind, producing certain characteristic phenomena, as colored fringes, dark bands, or darkness, in the case of light, silence or increased intensity in sounds; neutralization or superposition of waves generally.

» The term is most commonly applied to light, and the undulatory theory of light affords the proper explanation of the phenomena which are considered to be produced by the superposition of waves, and are thus substantially identical in their origin with the phenomena of heat, sound, waves of water, and the like.

3. (Patent Law) The act or state of interfering, or of claiming a right to the same invention.

Interference figures (Optics) , the figures observed when certain sections of crystallized bodies are viewed in converging polarized light; thus, a section of a uniaxial crystal, cut normal to the vertical axis, shows a series of concentric colored rings with a single black cross; -- so called because produced by the interference of luminous waves. - - Interference fringe . (Optics) See Fringe .

Interferer noun One who interferes.

Interferingly adverb By or with interference.

Interferometer noun [ See Interfere and -meter .] (Physics) An instrument for measuring small movements, distances, or displacements by means of the interference of two beams of light; -- called also refractometer .

Interflow intransitive verb To flow in. [ R.] Holland.

Interfluent, Interfluous adjective [ Latin interfluens , present participle, and interfluus . See Inter- , and Fluent .] Flowing between or among; intervening. Boyle.

Interfolded p. adjective Intertwined; interlocked; clasped together. Longfellow.

Interfoliaceous adjective [ Prefix inter- + foliaceous : confer French interfoliacé .] (Botany) At the same node with opposite or whorled leaves, but occupying a position between their places of attachment.

Interfoliate transitive verb [ Prefix inter- + Latin folium leaf.] To interleave. [ Obsolete] Evelyn.

Interfollicular adjective (Anat.) Between follicles; as, the interfollicular septa in a lymphatic gland.