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Diptera

An extensive order of insects having only two functional wings and two balancers, as the house fly, mosquito, etc. They have a suctorial proboscis, often including two pairs of sharp organs (mandibles and maxill/) with which they pierce the skin of animals. They undergo a complete metamorphosis, their larv/ (called maggots) being usually without feet.

Dipteral

Having two wings only; belonging to the order Diptera.

Dipterocarpus

A genus of trees found in the East Indies, some species of which produce a fragrant resin, other species wood oil. The fruit has two long wings.

Dipterous

Having two wings, as certain insects; belonging to the order Diptera.

Dipterygian

Having two dorsal fins; -- said of certain fishes.

Dipteryx

a genus of tropical American trees which produce a black seed called the tonka bean.

Diptote

A noun which has only two cases.

Diptych

Anything consisting of two leaves. A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within. A picture or series of pictures painted on two tablets connected by hinges. See Triptych.

Dipyre

A mineral of the scapolite group; -- so called from the double effect of fire upon it, in fusing it, and rendering it phosphorescent.

Dipyridine

A polymeric form of pyridine, C10H10N2, obtained as a colorless oil by the action of sodium on pyridine.

Dipyridyl

A crystalline nitrogenous base, C10H8N2, obtained by the reduction of pyridine.

Diradiation

The emission and diffusion of rays of light.

Dire

Ill-boding; portentous; as, dire omens.

Direct

A character, thus [/], placed at the end of a staff on the line or space of the first note of the next staff, to apprise the performer of its situation.

Direct-acting

Acting directly, as one part upon another, without the intervention of other working parts.

Direct-coupled

Coupled without intermediate connections, as an engine and a dynamo.

directed

having a specified direction; often used in combination; as, goal-directed.

Direction

The act of directing, of aiming, regulating, guiding, or ordering; guidance; management; superintendence; administration; as, the direction o/ public affairs or of a bank.

directional

of or pertaining to direction (definition 2).

directionality

the property of a microphone or antenna of being more sensitive to signal arriving from one direction than from another.

Directive

Having power to direct; tending to direct, guide, or govern; showing the way.

directivity

the property of a microphone or antenna of being more sensitive to sounds coming from one direction than from another.

Directly

In a direct manner; in a straight line or course.

Directness

The quality of being direct; straightness; straightforwardness; immediateness.

Director

One who, or that which, directs; one who regulates, guides, or orders; a manager or superintendent.

Directorate

The office of director; also, a body of directors taken jointly.

Directorial

Having the quality of a director, or authoritative guide; directive.

Directorship

The condition or office of a director; directorate.

Directory

A collection or body of directions, rules, or ordinances; esp., a book of directions for the conduct of worship; as, the Directory used by the nonconformists instead of the Prayer Book.

Direful

Dire; dreadful; terrible; calamitous; woeful; as, a direful fiend; a direful day.

Dirempt

To separate by force; to tear apart.

Direness

Terribleness; horror; woefulness.

Direption

The act of plundering, despoiling, or snatching away.

Dirge

A piece of music of a mournful character, to accompany funeral rites; a funeral hymn.

Dirige

A service for the dead, in the Roman Catholic Church, being the first antiphon of Matins for the dead, of which Dirige is the first word; a dirge.

Dirigent

The line of motion along which a describent line or surface is carried in the genesis of any plane or solid figure; a directrix.

Dirigible

Capable of being directed; steerable; as, a dirigible balloon.

dirigisme

The practice or inclination to direct (activities) by a central authority; as, the linguistic dirigisme of prescriptivists clashes with the modern tendency toward acceptance of multiculturalism. See also dirigiste.

dirigiste

Directed by a central authority; as, a dirigiste economy; with respect to economics, opposed to free-market. See also dirigisme.

Dirl

To thrill; to vibrate; to penetrate.

Dirt

To make foul of filthy; to dirty.

dirt-cheap

costing much less than standard price; as, the store went out of business and sold their remaining stock for dirt-cheap prices.

Dirtily

In a dirty manner; foully; nastily; filthily; meanly; sordidly.

Dirtiness

The state of being dirty; filthiness; foulness; nastiness; baseness; sordidness.

Dirty

To foul; to make filthy; to soil; as, to dirty the clothes or hands.

Dis

The god Pluto, god of the underworld; also called Dis Pater.

dis

to treat in a disrespectful manner; to insult, disparage or belittle.

disa

any orchid of the genus Disa, a genus of beautiful orchids with dark green leaves and usually hooded flowers; -- they are much prized as emblematic flowers in their native regions.

disability

State of being disabled; deprivation or want of ability; absence of competent physical, intellectual, or moral power, means, fitness, and the like.

Disable

To render unable or incapable; to destroy the force, vigor, or power of action of; to deprive of competent physical or intellectual power; to incapacitate; to disqualify; to make incompetent or unfit for service; to impair.

disabled

injured so as to be unable to function; as, disabled veterans.

disabling

causing or having caused disability; rendering disabled; as, disabling injury.

disabuse

To set free from mistakes; to undeceive; to disengage from fallacy or deception; to set right; -- often used with of; as, to disabuse one of his illusions.

Disaccustom

To destroy the force of habit in; to wean from a custom.

Disacryl

A white amorphous substance obtained as a polymeric modification of acrolein.

Disadvantage

To injure the interest of; to be detrimental to.

Disadvantageous

Attended with disadvantage; unfavorable to success or prosperity; inconvenient; prejudicial; -- opposed to advantageous; as, the situation of an army is disadvantageous for attack or defense.

Disadvise

To advise against; to dissuade from.

Disaffect

To alienate or diminish the affection of; to make unfriendly or less friendly; to fill with discontent and unfriendliness.

Disaffection

State of being disaffected; alienation or want of affection or good will, esp. toward those in authority; unfriendliness; dislike.

Disaffirm

To assert the contrary of; to contradict; to deny; -- said of that which has been asserted.

Disafforest

To reduce from the privileges of a forest to the state of common ground; to exempt from forest laws.

Disaggregate

To destroy the aggregation of; to separate into component parts, as an aggregate mass.

Disaggregation

The separation of an aggregate body into its component parts.

Disagree

To fail to accord; not to agree; to lack harmony; to differ; to be unlike; to be at variance.

Disagreeable

Not agreeable, conformable, or congruous; contrary; unsuitable.

Disagreeably

In a disagreeable manner; unsuitably; offensively.

Disagreement

The state of disagreeing; a being at variance; dissimilitude; diversity.

Disallow

To refuse to allow; to deny the force or validity of; to disown and reject; as, the judge disallowed the executor's charge.

Disallowance

The act of disallowing; refusal to admit or permit; rejection.

Disally

To part, as an alliance; to sunder.

Disanchor

To raise the anchor of, as a ship; to weigh anchor.

Disannex

To disunite; to undo or repeal the annexation of.

Disannul

To annul completely; to render void or of no effect.

Disanoint

To invalidate the consecration of; as, to disanoint a king.

Disapparel

To disrobe; to strip of apparel; to make naked.

Disappear

To cease to appear or to be perceived; to pass from view, gradually or suddenly; to vanish; to be no longer seen; as, darkness disappears at the approach of light; a ship disappears as she sails from port.

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