doubler

doubler

English

Etymology

double +‎ -er

Noun

doubler (plural doublers)

1. One who doubles.
2. An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope.
3. (structural engineering) A metal plate riveted or welded over a preexisting metal structural component to reinforce it and relieve the stress on the preexisting component, or to serve as a patch where part of the original structure has failed or been removed.

   The mechanics fastened a doubler over the hole where the cracked section of the plane's skin had been cut out.

   The airworthiness directive called for riveting a reinforcing doubler to the wing midspar web to keep the spar from buckling under flight loads.

4. (US, dialect) A tenement house having two families on each floor.
5. (colloquial) A biplane aeroplane or kite.
6. Part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled.
7. (calico printing) A blanket or felt placed between the fabric and the printing table or cylinder.
8. A person employed in a roller mill to fold the hot metal plates in half.
9. A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter.

Derived terms

• line doubler
• scan doubler

 

Anagrams

• Boulder, boulder

---

French

Etymology

From Old French dobler, from Late Latin dūplō, from Latin dūplus. Compare Spanish and Catalan doblar, Portuguese dobrar, Italian doppiare.

Pronunciation

• IPA^(key): /du.ble/

• Audio

  (file)

Verb

doubler

1. to double, duplicate

   A cet instant précis, il a décidé de doubler la mise.

2. to double-cross

   Nous avons été doublé ce coup-ci.

3. to overtake, pass

   Sur l'autoroute, nous avons eu l'occasion de doubler de nombreux véhicules.

4. to dub

   Daniel Beretta qui double Arnold Schwarzenegger en français depuis 1987 a également prêté sa voix à l'agent Sam Fisher.

5. (Belgium) to repeat a school year

   Synonym: redoubler

Conjugation

Conjugation of doubler (see also Appendix:French verbs)

infinitive	simple	doubler
	compound	avoir + past participle
present participle or gerund1	simple	doublant /du.blɑ̃/
	compound	ayant + past participle
past participle		doublé /du.ble/
		singular			plural
		first	second	third	first	second	third
indicative		je (j’)	tu	il, elle, on	nous	vous	ils, elles
(simple tenses)	present	double /dubl/	doubles /dubl/	double /dubl/	doublons /du.blɔ̃/	doublez /du.ble/	doublent /dubl/
	imperfect	doublais /du.blɛ/	doublais /du.blɛ/	doublait /du.blɛ/	doublions /du.bli.jɔ̃/	doubliez /du.bli.je/	doublaient /du.blɛ/
	past historic2	doublai /du.ble/	doublas /du.bla/	doubla /du.bla/	doublâmes /du.blam/	doublâtes /du.blat/	doublèrent /du.blɛʁ/
	future	doublerai /du.blə.ʁe/	doubleras /du.blə.ʁa/	doublera /du.blə.ʁa/	doublerons /du.blə.ʁɔ̃/	doublerez /du.blə.ʁe/	doubleront /du.blə.ʁɔ̃/
	conditional	doublerais /du.blə.ʁɛ/	doublerais /du.blə.ʁɛ/	doublerait /du.blə.ʁɛ/	doublerions /du.blə.ʁjɔ̃/	doubleriez /du.blə.ʁje/	doubleraient /du.blə.ʁɛ/
(compound tenses)	present perfect	present indicative of avoir + past participle
	pluperfect	imperfect indicative of avoir + past participle
	past anterior2	past historic of avoir + past participle
	future perfect	future of avoir + past participle
	conditional perfect	conditional of avoir + past participle
subjunctive		que je (j’)	que tu	qu’il, qu’elle	que nous	que vous	qu’ils, qu’elles
(simple tenses)	present	double /dubl/	doubles /dubl/	double /dubl/	doublions /du.bli.jɔ̃/	doubliez /du.bli.je/	doublent /dubl/
	imperfect2	doublasse /du.blas/	doublasses /du.blas/	doublât /du.bla/	doublassions /du.bla.sjɔ̃/	doublassiez /du.bla.sje/	doublassent /du.blas/
(compound tenses)	past	present subjunctive of avoir + past participle
	pluperfect2	imperfect subjunctive of avoir + past participle
imperative		–	tu	–	nous	vous	–
simple		—	double /dubl/	—	doublons /du.blɔ̃/	doublez /du.ble/	—
compound		—	simple imperative of avoir + past participle	—	simple imperative of avoir + past participle	simple imperative of avoir + past participle	—
1 The French gerund is usable only with the preposition en.
2 In less formal writing or speech, these tenses may be found to have been replaced in the following way: past historic → present perfect past anterior → pluperfect imperfect subjunctive → present subjunctive pluperfect subjunctive → past subjunctive (Christopher Kendris [1995], Master the Basics: French, pp. 77, 78, 79, 81).

Derived terms

• doublage
• redoubler
• dédoubler

Descendants

• → Brazilian Portuguese: dublar
• → Romanian: dubla

See also

• dupliquer

Further reading

• “doubler”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.