Webster's Dictionary, 1913

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Detect (de*tĕkt") adjective [ Latin detectus , past participle of detegere to uncover, detect; de + tegere to cover. See Tegument .] Detected. [ Obsolete] Fabyan.

Detect (de*tĕkt") transitive verb [ imperfect & past participle Detected ; present participle & verbal noun Detecting .]
1. To uncover; to discover; to find out; to bring to light; as, to detect a crime or a criminal; to detect a mistake in an account.

Plain good intention . . . is as easily discovered at the first view, as fraud is surely detected at last.
Burke.

Like following life through creatures you dissect,
You lose it in the moment you detect .
Pope.

2. To inform against; to accuse. [ Obsolete]

He was untruly judged to have preached such articles as he was detected of.
Sir T. More.

Syn. -- To discover; find out; lay bare; expose.

Detectable (-ȧ*b'l), De*tect"i*ble adjective Capable of being detected or found out; as, parties not detectable . "Errors detectible at a glance." Latham.

Detecter noun One who, or that which, detects or brings to light; one who finds out what another attempts to conceal; a detector.

Detection noun [ Latin detectio an uncovering, revealing.] The act of detecting; the laying open what was concealed or hidden; discovery; as, the detection of a thief; the detection of fraud, forgery, or a plot.

Such secrets of guilt are never from detection .
D. Webster.

Detective adjective Fitted for, or skilled in, detecting; employed in detecting crime or criminals; as, a detective officer.

Detective noun One who business it is so detect criminals or discover matters of secrecy.

Detector noun [ Latin , a revealer.] One who, or that which, detects; a detecter. Shak.

A deathbed's detector of the heart.
Young.

Bank-note detector , a publication containing a description of genuine and counterfeit bank notes, designed to enable persons to discriminate between them. -- Detector lock . See under Lock .

Detector noun Specifically: (a) An indicator showing the depth of the water in a boiler. (b) (Electricity) A galvanometer, usually portable, for indicating the direction of a current. (c) (Electricity) Any of various devices for detecting the presence of electric waves.

Detector bar (Railroads) A bar, connected with a switch, longer than the distance between any two consecutive wheels of a train (45 to 50 feet), laid inside a rail and operated by the wheels so that the switch cannot be thrown until all the train is past the switch.

Detenebrate transitive verb [ Latin de + tenebrare to make dark, from tenebrae darkness.] To remove darkness from. [ Obsolete] Ash.

Detent noun [ French détente , from détendre to unbend, relax; prefix dé- (L. dis- or de ) + tendre to stretch. See Distend .] (Mech.) That which locks or unlocks a movement; a catch, pawl, or dog; especially, in clockwork, the catch which locks and unlocks the wheelwork in striking.

Detention noun [ Latin detentio : confer French détention . See Detain .]
1. The act of detaining or keeping back; a withholding.

2. The state of being detained (stopped or hindered); delay from necessity.

3. Confinement; restraint; custody.

The archduke Philip . . . found himself in a sort of honorable detention at Henry's court.
Hallam.

Deter transitive verb [ imperfect & past participle Deterred ; present participle & verbal noun Deterring .] [ Latin deterrere ; de + terrere to frighten, terrify. See Terror .] To prevent by fear; hence, to hinder or prevent from action by fear of consequences, or difficulty, risk, etc. Addison.

Potent enemies tempt and deter us from our duty.
Tillotson.

My own face deters me from my glass.
Prior.

Deterge transitive verb [ imperfect & past participle Deterged ; present participle & verbal noun Deterging .] [ Latin detergere , detersum ; de + tergere to rub or wipe off: confer French déterger .] To cleanse; to purge away, as foul or offending matter from the body, or from an ulcer.

Detergency noun A cleansing quality or power. De Foe.

Detergent adjective [ Latin detergens , -entis , present participle of detergere : confer French détergent .] Cleansing; purging. -- noun A substance which cleanses the skin, as water or soap; a medicine to cleanse wounds, ulcers, etc.

Deteriorate (de*tē"rĭ*o*rāt) transitive verb [ imperfect & past participle Deteriorated (- rā`tĕd); present participle & verbal noun Deteriorating (-rā`tĭng).] [ Latin deterioratus , past participle of deteriorare to deteriorate, from deterior worse, probably a comparative from de down, away.] To make worse; to make inferior in quality or value; to impair; as, to deteriorate the mind. Whately.

The art of war . . . was greatly deteriorated .
Southey.

Deterioration noun [ Late Latin deterioratio : confer French détérioration .] The process of growing worse, or the state of having grown worse.

Deteriority noun [ Latin deterior worse. See Deteriorate .] Worse state or quality; inferiority. "The deteriority of the diet." [ R.] Ray.

Determent noun [ From Deter .] The act of deterring; also, that which deters. Boyle.

Determinability noun The quality of being determinable; determinableness. Coleridge.

Determinable adjective [ Latin determinabilis finite. See Determine , transitive verb ] Capable of being determined, definitely ascertained, decided upon, or brought to a conclusion.

Not wholly determinable from the grammatical use of the words.
South.

Determinableness noun Capability of being determined; determinability.

Determinacy noun Determinateness. [ R.]

Determinant adjective [ Latin determinans , present participle of determinare : confer French déterminant .] Serving to determine or limit; determinative.

Determinant noun
1. That which serves to determine; that which causes determination.

2. (Math.) The sum of a series of products of several numbers, these products being formed according to certain specified laws ; thus, the determinant of the nine numbers
a, b, c, a′, b′, c′, a′′, b′′, c′′,
is a b′ c′′ - a b′′ c′ + a′ b′′ c] - a′ b c′′ + a′′ b′ c . The determinant is written by placing the numbers from which it is formed in a square between two vertical lines. The theory of determinants forms a very important branch of modern mathematics.

3. (Logic) A mark or attribute, attached to the subject or predicate, narrowing the extent of both, but rendering them more definite and precise. Abp. Thomson.

Determinate adjective [ Latin determinatus , past participle of determinare . See Determine .]
1. Having defined limits; not uncertain or arbitrary; fixed; established; definite.

Quantity of words and a determinate number of feet.
Dryden.

2. Conclusive; decisive; positive.

The determinate counsel and foreknowledge of God.
Acts ii. 23.

3. Determined or resolved upon. [ Obsolete]

My determinate voyage.
Shak.

4. Of determined purpose; resolute. [ Obsolete]

More determinate to do than skillful how to do.
Sir P. Sidney.

Determinate inflorescence (Botany) , that in which the flowering commences with the terminal bud of a stem, which puts a limit to its growth; -- also called centrifugal inflorescence . -- Determinate problem (Math.) , a problem which admits of a limited number of solutions. -- Determinate quantities , Determinate equations (Math.) , those that are finite in the number of values or solutions, that is, in which the conditions of the problem or equation determine the number.

Determinate transitive verb To bring to an end; to determine. See Determine . [ Obsolete]

The sly, slow hours shall not determinate
The dateless limit of thy dear exile.
Shak.

Determinately adverb
1. In a determinate manner; definitely; ascertainably.

The principles of religion are already either determinately true or false, before you think of them.
Tillotson.

2. Resolutely; unchangeably.

Being determinately . . . bent to marry.
Sir P. Sidney.

Determinateness noun State of being determinate.

Determination noun [ Latin determinatio boundary, end: confer French détermination .]
1. The act of determining, or the state of being determined.

2. Bringing to an end; termination; limit.

A speedy determination of that war.
Ludlow.

3. Direction or tendency to a certain end; impulsion.

Remissness can by no means consist with a constant determination of the will . . . to the greatest apparent good.
Locke.

4. The quality of mind which reaches definite conclusions; decision of character; resoluteness.

He only is a well-made man who has a good determination .
Emerson.

5. The state of decision; a judicial decision, or ending of controversy.

6. That which is determined upon; result of deliberation; purpose; conclusion formed; fixed resolution.

So bloodthirsty a determination to obtain convictions.
Hallam.

7. (Medicine) A flow, rush, or tendency to a particular part; as, a determination of blood to the head.

8. (Physical Sciences) The act, process, or result of any accurate measurement, as of length, volume, weight, intensity, etc.; as, the determination of the ohm or of the wave length of light; the determination of the salt in sea water, or the oxygen in the air.

9. (Logic) (a) The act of defining a concept or notion by giving its essential constituents. (b) The addition of a differentia to a concept or notion, thus limiting its extent; -- the opposite of generalization .

10. (Nat. Hist.) The act of determining the relations of an object, as regards genus and species; the referring of minerals, plants, or animals, to the species to which they belong; classification; as, I am indebted to a friend for the determination of most of these shells.

Syn. -- Decision; conclusion; judgment; purpose; resolution; resolve; firmness. See Decision .

Determinative adjective [ Confer French déterminatif .] Having power to determine; limiting; shaping; directing; conclusive.

Incidents . . . determinative of their course.
I. Taylor.

Determinative tables (Nat. Hist.) , tables presenting the specific character of minerals, plants, etc., to assist in determining the species to which a specimen belongs.

Determinative noun That which serves to determine.

Explanatory determinatives . . . were placed after words phonetically expressed, in order to serve as an aid to the reader in determining the meaning.
I. Taylor (The Alphabet).

Determinator noun [ Latin ] One who determines. [ R.] Sir T. Browne.

Determine transitive verb [ imperfect & past participle Determined ; present participle & verbal noun Determining .] [ French déterminer , Latin determinare , determinatum ; de + terminare limit, terminus limit. See Term .]
1. To fix the boundaries of; to mark off and separate.

[ God] hath determined the times before appointed.
Acts xvii. 26.

2. To set bounds to; to fix the determination of; to limit; to bound; to bring to an end; to finish.

The knowledge of men hitherto hath been determined by the view or sight.
Bacon.

Now, where is he that will not stay so long
Till his friend sickness hath determined me?
Shak.

3. To fix the form or character of; to shape; to prescribe imperatively; to regulate; to settle.

The character of the soul is determined by the character of its God.
J. Edwards.

Something divinely beautiful . . . that at some time or other might influence or even determine her course of life.
W. Black.

4. To fix the course of; to impel and direct; -- with a remoter object preceded by to ; as, another's will determined me to this course.

5. To ascertain definitely; to find out the specific character or name of; to assign to its true place in a system; as, to determine an unknown or a newly discovered plant or its name.

6. To bring to a conclusion, as a question or controversy; to settle authoritative or judicial sentence; to decide; as, the court has determined the cause.

7. To resolve on; to have a fixed intention of; also, to cause to come to a conclusion or decision; to lead; as, this determined him to go immediately.

8. (Logic) To define or limit by adding a differentia.

9. (Physical Sciences) To ascertain the presence, quantity, or amount of; as, to determine the parallax; to determine the salt in sea water.

Determine intransitive verb
1. To come to an end; to end; to terminate. [ Obsolete]

He who has vented a pernicious doctrine or published an ill book must know that his life determine not together.
South.

Estates may determine on future contingencies.
Blackstone.

2. To come to a decision; to decide; to resolve; -- often with on . " Determine on some course." Shak.

He shall pay as the judges determine .
Ex. xxi. 22.

Determined adjective Decided; resolute. "A determined foe." Sparks.

Determinedly adverb In a determined manner; with determination.

Determiner noun One who, or that which, determines or decides.

Determinism noun (Metaph.) The doctrine that the will is not free, but is inevitably and invincibly determined by motives.

Its superior suitability to produce courage, as contrasted with scientific physical determinism , is obvious.
F. P. Cobbe.

Determinist noun (Metaph.) One who believes in determinism. Also adj .; as, determinist theories.

Deterration noun [ Latin de + terra earth: confer French déterrer to unearth.] The uncovering of anything buried or covered with earth; a taking out of the earth or ground. Woodward.

Deterrence noun That which deters; a deterrent; a hindrance. [ R.]

Deterrent adjective [ Latin deterrens , present participle of deterrere . See Deter .] Serving to deter. "The deterrent principle." E. Davis.

Deterrent noun That which deters or prevents.

Detersion noun [ Confer French détersion . See Deterge .] The act of deterging or cleansing, as a sore.

Detersive adjective [ Confer détersif .] Cleansing; detergent. -- noun A cleansing agent; a detergent.

Detersively adverb In a way to cleanse.