Webster's Dictionary, 1913

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Infra-red adjective [ Infra- + red .] (Physics) Lying outside the visible spectrum at its red end; -- said of rays less refrangible than the extreme red rays.

Infrapose transitive verb [ Infra + pose .] To place under or beneath. [ R.]

Infraposition noun [ Infra + position .] A situation or position beneath. Kane.

Infrascapular adjective [ Infra + scapular .] (Anat.) Beneath the scapula, or shoulder blade; subscapular.

Infraspinal adjective [ Infra + spinal .] (Anat.) (a) Below the vertebral column, subvertebral. (b) Below the spine; infraspinate; infraspinous.

Infraspinate, Infraspinous adjective [ Infra + spinate , spinous .] (Anat.) Below the spine; infraspinal; esp., below the spine of the scapula; as, the infraspinous fossa; the infraspinate muscle.

Infrastapedial adjective [ Infra + stapedial .] (Anat.) Of or pertaining to a part of the columella of the ear, which in many animals projects below the connection with the stapes. -- noun The infrastapedial part of the columella.

Infrasternal adjective [ Infra + sternal .] (Anat.) Below the sternum; as, the infrasternal depression, or pit of the stomach.

Infratemporal adjective [ Infra + temporal .] (Anat.) Below the temple; below the temporal bone.

Infraterritorial adjective [ Infra + territorial .] Within the territory of a state. Story.

Infratrochlear adjective [ Infra + trochlear .] (Anat.) Below a trochlea, or pulley; -- applied esp. to one of the subdivisions of the trigeminal nerve.

Infrequence, Infrequency noun [ Latin infrequentia scantiness : confer French infrequence .]
1. The state of rarely occuring; uncommonness; rareness; as, the infrequence of his visits.

2. The state of not being frequented; solitude; isolation; retirement; seclusion. [ R.]

The solitude and infrequency of the place.
Bp. Hall.

Infrequent adjective [ Latin infrequens : confer French infrequent . See In- not, and Frequent .] Seldom happening or occurring; rare; uncommon; unusual.

The act whereof is at this day infrequent or out of use
among all sorts of men.
Sir T. Elyot.

Infrequently adverb Not frequently; rarely.

Infrigidate transitive verb [ Latin infrigidatus , past participle of infrigidare to chill. See 1st In- , and Frigid .] To chill; to make cold; to cool. [ Obsolete] Boyle.

Infrigidation noun [ Latin infrigidatio .] The act of chilling or causing to become cold; a chilling; coldness; congelation. [ Obsolete] Boyle.

Infringe transitive verb [ imperfect & past participle Infringed ; present participle & verbal noun Infringing .] [ Latin infringere ; prefix in- in + frangere to break. See Fraction , and confer Infract .]
1. To break; to violate; to transgress; to neglect to fulfill or obey; as, to infringe a law or contract.

If the first that did the edict infringe ,
Had answered for his deed.
Shak.

The peace . . . was infringed by Appius Claudius.
Golding.

2. To hinder; to destroy; as, to infringe efficacy; to infringe delight or power. [ Obsolete] Hooker.

Infringe intransitive verb
1. To break, violate, or transgress some contract, rule, or law; to injure; to offend.

2. To encroach; to trespass; -- followed by on or upon ; as, to infringe upon the rights of another.

Infringement noun
1. The act of infringing; breach; violation; nonfulfillment; as, the infringement of a treaty, compact, law, or constitution.

The punishing of this infringement is proper to that
jurisdiction against which the contempt is.
Clarendon.

2. An encroachment on a patent, copyright, or other special privilege; a trespass.

Infringer noun One who infringes or violates; a violator. Strype.

Infructuose adjective [ Latin infructuosus . See In- not, and Fruit .] Not producing fruit; unfruitful; unprofitable. [ R.] T. Adams.

Infrugal adjective Not frugal; wasteful; as, an infrugal expense of time. J. Goodman.

Infrugiferous adjective Not bearing fruit; not fructiferous.

Infucate transitive verb [ Latin infucatus painted; prefix in- in + fucare to paint, dye. See Fucate .] To stain; to paint; to daub.

Infucation noun The act of painting or staining, especially of painting the face.

Infula noun ; plural Infule . [ Latin ] A sort of fillet worn by dignitaries, priests, and others among the ancient Romans. It was generally white.

Infumate transitive verb [ imperfect & past participle Infumated ; present participle & verbal noun Infumating .] [ Latin infumatus , past participle of infumare to infumate; prefix in- in + fumare to smoke, from fumus smoke.] To dry by exposing to smoke; to expose to smoke.

Infumated adjective (Zoology) Clouded; having a cloudy appearance.

Infumation noun Act of drying in smoke.

Infumed adjective Dried in smoke; smoked.

Infundibular, Infundibulate adjective [ See Infundibulum .] Having the form of a funnel; pertaining to an infundibulum.

Infundibulate Bryozoa (Zoology) , a group of marine Bryozoa having a circular arrangement of the tentacles upon the disk.

Infundibuliform adjective [ Latin infundibulum funnel + -form : confer French infundibuliforme .]
1. Having the form of a funnel or cone; funnel-shaped.

2. (Botany) Same as Funnelform .

Infundibulum noun ; plural Latin Infundibula , English Infundibulums . [ Latin , a funnel, from infundere to pour in or into. See Infuse .]
1. (Anat.) A funnel-shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes.

2. (Zoology) (a) A central cavity in the Ctenophora, into which the gastric sac leads. (b) The siphon of Cephalopoda. See Cephalopoda .

Infuneral transitive verb To inter with funeral rites; to bury. [ Obsolete] G. Fletcher.

Infurcation noun [ Prefix in- in + Latin furca fork.] A forked expansion or divergence; a bifurcation; a branching. Craig.

Infuriate adjective [ Italian infuriato , past participle of infuriare . See Infuriate , transitive verb ] Enraged; raging; furiously angry; infuriated. Milton.

Inflamed beyond the most infuriate wrath.
Thomson.

Infuriate transitive verb [ imperfect & past participle Infuriated ; present participle & verbal noun Infuriating ] [ Italian infuriato , past participle of infuriare ; prefix in- (L. in ) + furia fury, Latin furia . See Fury .] To render furious; to enrage; to exasperate.

Those curls of entangled snakes with which Erinys is said to have infuriated Athemas and Ino.
Dr. H. More.

Infuriated adjective Enraged; furious.

Infuscate transitive verb [ Latin infuscatus , past participle of infuscare ; prefix in- in + fuscare to make dark, from fuscus dark.] To darken; to make black; to obscure.

Infuscated adjective (Zoology) Darkened with a blackish tinge.

Infuscation noun The act of darkening, or state of being dark; darkness; obscurity. Johnson.

Infuse transitive verb [ imperfect & past participle Infused ; present participle & verbal noun Infusing .] [ Latin infusus , past participle of infundere to pour in or into; prefix in- in + fundere to pour: confer French infuser . See Found to cast.]
1. To pour in, as a liquid; to pour (into or upon); to shed.

That strong Circean liquor cease to infuse .
Denham.

2. To instill, as principles or qualities; to introduce.

That souls of animals infuse themselves Into the trunks of men.
Shak.

Why should he desire to have qualities infused into his son which himself never possessed?
Swift.

3. To inspire; to inspirit or animate; to fill; -- followed by with .

Infuse his breast with magnanimity.
Shak.

Infusing him with self and vain conceit.
Shak.

4. To steep in water or other fluid without boiling, for the propose of extracting medicinal qualities; to soak.

One scruple of dried leaves is infused in ten ounces of warm water.
Coxe.

5. To make an infusion with, as an ingredient; to tincture; to saturate. [ R.] Bacon.

Infuse noun Infusion. [ Obsolete] Spenser.

Infuser noun One who, or that which, infuses.

Infusibility noun [ From Infuse .] Capability of being infused, poured in, or instilled.

Infusibility noun [ Prefix in- not + fusibility : confer French infusibilité .] Incapability or difficulty of being fused, melted, or dissolved; as, the infusibility of carbon.

Infusible adjective [ From Infuse , v. ] Capable of being infused.

Doctrines being infusible into all.
Hammond.

Infusible adjective [ Prefix in- not + fusible : confer French infusible .] Not fusible; incapable or difficult of fusion, or of being dissolved or melted. Sir T. Browne.

The best crucibles are made of Limoges earth, which seems absolutely infusible .
Lavoisier (Trans. ).

Infusibleness noun Infusibility.

Infusion noun [ Latin infusio a pouring in: confer French infusion . See Infuse , transitive verb ]
1. The act of infusing, pouring in, or instilling; instillation; as, the infusion of good principles into the mind; the infusion of ardor or zeal.

Our language has received innumerable elegancies and improvements from that infusion of Hebraisms.
Addison.

2. That which is infused; suggestion; inspiration.

His folly and his wisdom are of his own growth, not the echo or infusion of other men.
Swift.

3. The act of plunging or dipping into a fluid; immersion. [ Obsolete] "Baptism by infusion ." Jortin.

4. (Pharmacy) (a) The act or process of steeping or soaking any substance in water in order to extract its virtues. (b) The liquid extract obtained by this process.

Sips meek infusion of a milder herb.
Cowper.