Webster's Dictionary, 1913

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Coherer noun (Electricity) Any device in which an imperfectly conducting contact between pieces of metal or other conductors loosely resting against each other is materially improved in conductivity by the influence of Hertzian waves; -- so called by Sir O. J. Lodge in 1894 on the assumption that the impact of the electic waves caused the loosely connected parts to cohere, or weld together, a condition easily destroyed by tapping. A common form of coherer as used in wireless telegraphy consists of a tube containing filings (usually a pinch of nickel and silver filings in equal parts) between terminal wires or plugs (called conductor plugs ).

Cohesibility noun The state of being cohesible. Good.

Cohesible adjective Capable of cohesion.

Cohesion noun [ Confer French cohésion . See Cohere .]
1. The act or state of sticking together; close union.

2. (Physics) That from of attraction by which the particles of a body are united throughout the mass, whether like or unlike; -- distinguished from adhesion , which unites bodies by their adjacent surfaces.

Solids and fluids differ in the degree of cohesion , which, being increased, turns a fluid into a solid.
Arbuthnot.

3. Logical agreement and dependence; as, the cohesion of ideas. Locke.

Cohesive adjective
1. Holding the particles of a homogeneous body together; as, cohesive attraction; producing cohesion; as, a cohesive force.

2. Cohering, or sticking together, as in a mass; capable of cohering; tending to cohere; as, cohesive clay.

Cohesive attraction . See under Attraction .

-- Co*he"sive*ly , adverb -- Co*he"sive*ness , noun

Cohibit transitive verb [ imperfect & past participle Cohibited ; present participle & verbal noun Cohibiting .] [ Latin cohibitus , past participle of cohibere to confine; co- + habere to hold.] To restrain. [ Obsolete] Bailey.

Cohibition noun [ Latin cohibitio .] Hindrance; restraint. [ Obsolete]

Cohobate transitive verb [ imperfect & past participle Cohobated ; present participle & verbal noun Cohobating .] [ Late Latin cohobare ; probably of Arabic origin: confer French cohober .] (Anc. Chem.) To repeat the distillation of, pouring the liquor back upon the matter remaining in the vessel. Arbuthnot.

Cohobation noun [ Confer French cohobation .] (Anc. Chem.) The process of cohobating. Grew.

Cohorn noun (Mil.) See Coehorn .

Cohort noun [ Latin cohors , prop. an inclosure: confer French cohorte . See Court , noun ]
1. (Rom. Antiq.) A body of about five or six hundred soldiers; the tenth part of a legion.

2. Any band or body of warriors.

With him the cohort bright
Of watchful cherubim.
Milton.

3. (Botany) A natural group of orders of plants, less comprehensive than a class.

Cohosh noun (Botany) A perennial American herb ( Caulophyllum thalictroides ), whose rootstock is used in medicine; -- also called pappoose root . The name is sometimes also given to the Cimicifuga racemosa , and to two species of Actæa , plants of the Crowfoot family.

Cohune noun , or Cohune palm [ Prob. from a native name in Honduras.] A Central and South American pinnate-leaved palm ( Attalea cohune ), the very large and hard nuts of which are turned to make fancy articles, and also yield an oil used as a substitute for coconut oil.

Coif (koif) noun [ Old French coife , French coiffe , Late Latin cofea , cuphia , from Old High German kuppa , kuppha , miter, perhaps from Latin cupa tub. See Cup , noun ; but confer also Cop , Cuff the article of dress, Quoif , noun ] A cap. Specifically: (a) A close-fitting cap covering the sides of the head, like a small hood without a cape. (b) An official headdress, such as that worn by certain judges in England. [ Written also quoif .]

From point and saucy ermine down
To the plain coif and russet gown.
H. Brocke.

The judges, . . . althout they are not of the first magnitude, nor need be of the degree of the coif , yet are they considerable.
Bacon.

Coif (koif) transitive verb [ Confer French coiffer .] To cover or dress with, or as with, a coif.

And coif me, where I'm bald, with flowers.
J. G. Cooper.

Coifed (koift) adjective Wearing a coif.

Coiffeur noun [ French] A hairdresser.

Coiffure noun [ French, from coiffer . See Coif .] A headdress, or manner of dressing the hair. Addison.

Coign noun A var. spelling of Coin , Quoin , a corner, wedge; -- chiefly used in the phrase coign of vantage , a position advantageous for action or observation.

From some shielded nook or coign of vantage.
The Century.

The lithosphere would be depressed on four faces; . . . the four projecting coigns would stand up as continents.
Nature.

Coigne (koin) noun [ See Coin , noun ] A quoin.

See you yound coigne of the Capitol? yon corner stone?
Shak.

Coigne, Coigny noun The practice of quartering one's self as landlord on a tenant; a quartering of one's self on anybody. [ Ireland] Spenser.

Coil (koil) transitive verb [ imperfect & past participle Coiled (koild); present participle & verbal noun Coiling .] [ Old French coillir , French cueillir , to collect, gather together, Latin coligere ; col- + legere to gather. See Legend , and confer Cull , transitive verb , Collect .]
1. To wind cylindrically or spirally; as, to coil a rope when not in use; the snake coiled itself before springing.

2. To encircle and hold with, or as with, coils. [ Obsolete or R.] T. Edwards.

Coil intransitive verb To wind itself cylindrically or spirally; to form a coil; to wind; -- often with about or around .

You can see his flery serpents . . .
Coiting , playing in the water.
Longfellow.

Coil noun
1. A ring, series of rings, or spiral, into which a rope, or other like thing, is wound.

The wild grapevines that twisted their coils from trec to tree.
W. Irving.

2. Fig.: Entanglement; toil; mesh; perplexity.

3. A series of connected pipes in rows or layers, as in a steam heating apparatus.

Induction coil . (Electricity) See under Induction . -- Ruhmkorff's coil (Electricity) , an induction coil, sometimes so called from Ruhmkorff a prominent manufacturer of the apparatus.

Coil noun [ Of Celtic origin; confer Gael. goil fume, rage.] A noise, tumult, bustle, or confusion. [ Obsolete] Shak.

Coilon noun [ French See Cullion .] A testicle. [ Obsolete] Chaucer.

Coin (koin) noun [ French coin , formerly also coing , wedge, stamp, corner, from Latin cuneus wedge; probably akin to English cone , hone . See Hone , noun , and confer Coigne , Quoin , Cuneiform .]
1. A quoin; a corner or external angle; a wedge. See Coigne , and Quoin .

2. A piece of metal on which certain characters are stamped by government authority, making it legally current as money; -- much used in a collective sense.

It is alleged that it [ a subsidy] exceeded all the current coin of the realm.
Hallam.

3. That which serves for payment or recompense.

The loss of present advantage to flesh and blood is repaid in a nobler coin .
Hammond.

Coin balance . See Illust. of Balance . -- To pay one in his own coin , to return to one the same kind of injury or ill treatment as has been received from him. [ Colloq.]

Coin transitive verb [ imperfect & past participle Coined (koind); present participle & verbal noun Coining .]
1. To make of a definite fineness, and convert into coins, as a mass of metal; to mint; to manufacture; as, to coin silver dollars; to coin a medal.

2. To make or fabricate; to invent; to originate; as, to coin a word.

Some tale, some new pretense, he daily coined ,
To soothe his sister and delude her mind.
Dryden.

3. To acquire rapidly, as money; to make.

Tenants cannot coin rent just at quarter day.
Locke.

Coin intransitive verb To manufacture counterfeit money.

They cannot touch me for coining .
Shak.

Coinage noun [ From Coin , transitive verb , confer Cuinage .]
1. The act or process of converting metal into money.

The care of the coinage was committed to the inferior magistrates.
Arbuthnot.

2. Coins; the aggregate coin of a time or place.

3. The cost or expense of coining money.

4. The act or process of fabricating or inventing; formation; fabrication; that which is fabricated or forged. "Unnecessary coinage . . . of words." Dryden.

This is the very coinage of your brain.
Shak.

Coincide intransitive verb [ imperfect & past participle Coincided ; present participle & verbal noun Coinciding .] [ Latin co- + incidere to fall on; in + cadere to fall: confer French coïncider . See Chance , noun ]
1. To occupy the same place in space, as two equal triangles, when placed one on the other.

If the equator and the ecliptic had coincided , it would have rendered the annual revoluton of the earth useless.
Cheyne.

2. To occur at the same time; to be contemporaneous; as, the fall of Granada coincided with the discovery of America.

3. To correspond exactly; to agree; to concur; as, our aims coincide .

The rules of right jugdment and of good ratiocination often coincide with each other.
Watts.

Coincidence (ko*ĭn"sĭ*d e ns) noun [ Confer French coïncidence .]
1. The condition of occupying the same place in space; as, the coincidence of circles, surfaces, etc. Bentley.

2. The condition or fact of happening at the same time; as, the coincidence of the deaths of John Adams and Thomas Jefferson.

3. Exact correspondence in nature, character, result, circumstances, etc.; concurrence; agreement.

The very concurrence and coincidence of so many evidences . . . carries a great weight.
Sir M. Hale.

Those who discourse . . . of the nature of truth . . . affirm a perfect coincidence between truth and goodness.
South.

Coincidency noun Coincidence. [ R.]

Coincident (ko*ĭn"sĭ*d e nt) adjective [ Confer French coïncident .] Having coincidence; occupying the same place; contemporaneous; concurrent; -- followed by with .

Christianity teaches nothing but what is perfectly suitable to, and coincident with, the ruling principles of a virtuous and well-inclined man.
South.

Coincident noun One of two or more coincident events; a coincidence. [ R.] " Coincidents and accidents." Froude.

Coincidental adjective Coincident.

Coincidently adverb With coincidence.

Coincider noun One who coincides with another in an opinion.

Coindication noun [ Confer French coïdication .] One of several signs or symptoms indicating the same fact; as, a coindication of disease.

Coiner noun
1. One who makes or stamps coin; a maker of money; -- usually, a maker of counterfeit money.

Precautions such as are employed by coiners and receivers of stolen goods.
Macaulay.

2. An inventor or maker, as of words. Camden.

Coinhabitant noun One who dwells with another, or with others. " Coinhabitants of the same element." Dr. H. More.

Coinhere intransitive verb To inhere or exist together, as in one substance. Sir W. Hamilton.

Coinheritance noun Joint inheritance.

Coinheritor noun A coheir.

Coinitial adjective (Math.) Having a common beginning.

Coinquinate transitive verb [ Latin coinquinatus , past participle of coinquinare to defile. See Inquinate .] To pollute. [ Obsolete] Skelton.

Coinquination noun Defilement. [ Obsolete]

Coinstantaneous adjective Happening at the same instant. C. Darwin.

Coinsurance noun [ Co- + insurance .] Insurance jointly with another or others; specif., that system of fire insurance in which the insurer is treated as insuring himself to the extent of that part of the risk not covered by his policy, so that any loss is apportioned between him and the insurance company on the principle of average, as in marine insurance or between other insurers.

Cointense adjective Equal in intensity or degree; as, the relations between 6 and 12, and 8 and 16, are cointense . H. Spencer.