dipole.noun
Physics.-.a pair of electric charges or magnetic poles, of equal magnitude but of opposite sign or polarity, separated by a small distance; the strength of a dipole field's source is called its magnetic moment, or the tendency to cause rotation about a point or axis. It is proportional to the amount of current circulating in the source and the area encircled by the current. 
Electronics.-.an antenna, usually fed from the center, consisting of two equal rods extending outward in a straight line
dipolar-adjective

dire.adjective
inflected form(s).direr, direst
exciting horror (dire suffering); dismal, oppressive (dire days); warning of disaster (a dire forecast); desperately urgent (dire need); extreme (dire poverty)
direly.adverb
direness.noun

disavow, disavowed, disavowing, disavows.transitive verbs
to disclaim knowledge of, responsibility for, or association with
disavowable-adjective
disavowal-noun

discernment.noun
the act or process of exhibiting keen.insight and good judgment; keenness of insight and judgment
discern, discerned, discerning, discerns.verbs
transitive verb use.to perceive with the eyes or intellect; detect; to examine; investigate; to see what is good or bad; to dissect so as to gain understanding; to recognize or comprehend mentally; to perceive or recognize as being different or distinct; distinguish
intransitive verb use.to perceive differences
discerner.noun
discernible.adjective
perceptible, as by intuition, the faculty of vision or the intellect
discernibly.adverb

disciple.noun
follower, learner, pupil

disclose, disclosed, disclosing, discloses.transitive verbs
to expose to view, as by removing a cover; to uncover; to reveal; make known
disclosable.adjective
discloser.noun
disclosure.noun
the act or process of revealing or uncovering; a revelation; something uncovered

disconcert, disconcerted, disconcerting, disconcerts.transitive verbs
to upset the self possession of; ruffle; to feel frustrated after being thrown into disorder; disarranged
disconcertingly.adverb
disconcertment.noun
disconcerting.adjective
to throw into confusion; to disturb the composure of

discord.noun
lack of agreement among persons, groups, or things; tension or strife resulting from a lack of agreement; dissension; a confused or harsh sound or mingling of sounds; inharmonious combination of simultaneously sounded tones in music; dissonance
discord, discorded, discording, discords.intransitive verbs
to fail to agree or harmonize; clash

discordant.adjective
not being in accord; conflicting; inconsistent; disagreeable in sound; harsh or dissonant
discordancy.noun
discordantly.adverb

discourage.transitive verb
inflected form(s).discouraged, discouraging
to deprive of courage or confidence; dishearten; to attempt to dissuade 
discourager.noun
discourageable.adjective
discouragingly.adverb

discreet.adjective
having or showing discernment or good judgment in conduct and especially in speech; prudent.-.especially (capable of preserving prudent silence; unpretentious; modest {the warmth and discreet elegance of a civilized home}); unobtrusive; unnoticeable (followed at a discreet distance)
discreetly.adverb
discreetness, discretion.nouns

discrete.adjective
individually distinct; consisting of distinct or unconnected elements; non continuous; constituting a separate entity; distinct
discretely.adverb
discreteness.noun

discretion freedom to act or judge on one's own (all the decisions were left to our discretion); ability or power to decide responsibly; individual choice or judgment (left the decision to his discretion); the quality of being discreet; circumspection; cautious reserve in speech; taste; judgement; ability to make responsible decisions

discrepancy.noun,.plural.discrepancies
divergence or disagreement, as between facts or claims; difference; an instance of divergence or disagreement
discrepant.adjective
marked by discrepancy; disagreeing; inconsistent
discrepantly.adverb

digress, digressed, digressing, digresses.intransitive verbs
to turn aside, especially from the main subject in writing or speaking; stray; swerve

digression.noun
the act of digressing; an instance of digressing, especially a written or spoken passage that has no bearing on the main subject
digressional.adjective

digressive.adjective
characterized by digressions; rambling
digressively.adverb
digressiveness.noun

demand deposit.noun
a bank deposit that can be withdrawn without advance notice

defile, defiled,defiling, defiles.transitive verbs
to cut off from pureness; to debase the pureness or excellence of; corrupt (a country landscape that was defiled by urban sprawl); to profane or sully.(a good name, for example); to make unclean or unfit for ceremonial use; desecrate.(defile a temple); to violate the chastity of; to make filthy or dirty; corrupt; pollute (defile a river with sewage)
defilement, defiler.nouns
defilingly.adverb

disinterested.adjective
free of bias and self interest; impartial; not interested; indifferent; having lost interest
disinterestedly.adverb
disinterestedness.noun

deplete, depleted, depleting, depletes.transitive verbs
to decrease the fullness of; use up or empty out
depletable.adjective

decompose, decomposed, decomposing, decomposes.verbs
transitive verb use.to separate into components or basic elements; to cause to rot
intransitive verb use.to become broken down into components; disintegrate; to decay; putrefy
decomposability.noun
decomposable.adjective

decomposition.noun
the act or result of decomposing; disintegration
decompositional.adjective