• WordNet 3.6
    • n Contra a member of the guerrilla force that opposed a left-wing government in Nicaragua
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Webster's Revised Unabridged Dictionary
    • Contra A Latin adverb and preposition, signifying against contrary in opposition, etc., entering as a prefix into the composition of many English words. Cf. Counter adv. & pref.
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Century Dictionary and Cyclopedia
    • contra A Latin adverb and preposition (and prefix), meaning ‘against,’ ‘over against,’ ‘opposite,’ ‘in front of,’ orig. ‘in comparison with’: used in the phrase per contra, and, abbreviated, in pro and con; also in various legal phrases, as contra bonos mores; usually as a prefix in words taken from the Latin or Romance languages, or formed analogously in English. In introducing a legal citation it means ‘to the contrary.’ See contra-.
    • contra A prefix of Latin origin, meaning ‘against,’ ‘over against,’ ‘opposite’; doublet of counter-. See contra and counter-. Specifically— In the compound names of musical instruments, a prefix signifying a large form or variety, yielding tones an octave lower than the typical form: as, contrabass, contrafagotto, etc. See double, In heraldry, contrary.
    • n contra The contrary or opposite side or thing: in bookkeeping, the opposite side or column of an account; especially the right-hand or credit side (in which appear the items against the person whose books are kept).
    • n contra In organ-building, in the names of stops, indicating a stop whose tones are an octave below the pitch of the keys used: as, contragamba, etc.
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Chambers's Twentieth Century Dictionary
    • adv., prep Contra kon′tra against, opposite: in front of: to the contrary: a doublet of Counter- (mus.), signifying an octave lower than the typical form, as in contrabass, &c. See Appendix.
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In literature:

A unique novelty was the Contra Trombone on the Pedal of 64 feet actual length.
"The Recent Revolution in Organ Building" by George Laing Miller
Contra principi negantem fustibus est arguendum, is, in Latin, a truth as veritable as Noah's ark.
"An Eagle Flight" by José Rizal
The natives call him the As'l Gayal, in contra-distinction to the Gabay.
"Delineations of the Ox Tribe" by George Vasey
He devotes his attention now more to the contra-bass, upon which instrument he is regarded as a good performer.
"Music and Some Highly Musical People" by James M. Trotter
Still, even that had its contra aspect.
"Cleek, the Master Detective" by Thomas W. Hanshew
Observaciones contra el Transformismo Darvinista en general y especialmente contra el origen simio, etc.
"Life of Charles Darwin" by G. T. (George Thomas) Bettany
Pater meus contra eum qui,' etc.
"The Student's Companion to Latin Authors" by George Middleton
When there is evidence that the spinal cord is completely divided, operation is contra-indicated.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
Between the single elements of such social spheres there occur uninterrupted psychical infections and contra-infections.
"Introduction to the Science of Sociology" by Robert E. Park
Actio Prima, contra Verrem, i., 139.
"The Life of Cicero" by Anthony Trollope

In poetry:

Tra i fusti ove le radiche fan groppo
e già si gonfia venenato il fungo,
odo incognito piede solidungo
come bronzo sonar contra l'intoppo.
"Il Tessalo" by Gabriele D Annunzio
"Around me they shall move
In languid contra dances, and shall shed
Their smiling eyebeams as I were not dead,
But quick to flash back love.
"Don Rafael" by Emma Lazarus
But strangest of these social twirls,
The girls are boys - the boys are girls!
The men are women, too - but then,
PER CONTRA, women all are men.
"My Dream" by William Schwenck Gilbert
Constretto anche tu sei del tuo mistero,
vittima consacrata al Mare Ignoto;
e la bocca tua bella grida a vòto
contra il fato che tolseti l'impero.
"Il Prigioniero" by Gabriele D Annunzio

In news:

Contra Costa Community College District Implements Desire2Learn® Learning Suite as Single Platform for Three Distinct Colleges.
Contra dance in Anacortes Art and About.
The Contra Costa County Board of Supervisors will meet Tuesday to discuss the latest report on the fire at Richmond's Chevron Refinery.
The Contras were a group of guerrilla fighters trying to overthrow the Communist government in Nicaragua.
Money from the sales was then diverted to the Contras , again in violation of the law.
Despite US backing, the Contras could not defeat the Sandinistas in the grinding war that killed around 30,000 people and wrecked Nicaragua's economy.
It eventually led to international mediation and the Sandinistas agreed to accept free elections if the Contras demobilized.
Island Center Hall hosts contra dance.
Island Center Hall will host an Earth Day contra dance Saturday, April 21.
Mourvèdre Contra Costa County Ancient Vines 2010.
Related Wine Search for CLINE Mourvèdre Contra Costa County Ancient Vines 2010.
Search and Rescue dogs and their human handlers from the California Rescue Dog Association (CARDA) will practiced their search and rescue skills during a training session Monday night at the Pleasant Hill/ Contra Costa Centre Station.
K9s to Practice Missing Person Searches at Pleasant Hill/ Contra Costa Centre Station.
Contra ' Model Drops Her Lawsuit Against Vampire Weekend.
Indie pop band Vampire Weekend has settled its lawsuit with model Kirsten Kennis, whom you may know as the cover subject of the band's sophomore record, Contra .

In science:

Stachel, J. J., The Other Einstein: Einstein Contra Field Theory, in Einstein in Context, Beller, M., Cohen, R. S. and Renn, J. (Eds.), Cambridge University Press, Cambridge (1993).
`Iconoclastic', Categorical Quantum Gravity
In his letter to Bohr of 9 July 1931, Ehrenfest reported: “He said to me that, for a long time already, he absolutely no longer doubted the uncertainty relations, and that he thus, e.g., had BY NO MEANS invented the ‘weighable light-flash box’ ‘contra uncertainty relation’, but for a totally different purpose” .
Complementarity in the Bohr-Einstein Photon Box
Feathers discusses pro and contras of possible test code localization: the whole test suite may be gathered in a common location, test cases may be stored per component, but may as well reside among production code .
Exploring the Composition of Unit Test Suites
We found that the system dynamics is very sensitive to the value of the detuning, which opened up questions about adiabaticity contra tunneling behaviour.
Quantum fluctuations in the mazer
The operation RR is contra-variantly functorial in the fol lowing sense.
Time Evolution of the External Field Problem in QED