doubler

English

Etymology 1

From double (verb) +‎ -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. Part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled.
5. (calico printing) A blanket or felt placed between the fabric and the printing table or cylinder.
6. (metalworking) A person employed in a roller mill to fold the hot metal plates in half.
7. A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter.
8. A diaper insert.

   Synonym: diaper doubler

Derived terms

• line doubler
• scan doubler

 

Etymology 2

From double (adjective) +‎ -er.

Noun

doubler (plural doublers)

1. (US, dialect) A tenement house having two families on each floor.
2. (colloquial) A biplane aeroplane or kite.

Anagrams

• Boulder, boulder

French

Etymology

Inherited from Old French dobler, from Late Latin dūplāre, 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.

   At that precise instant, he decided to double the bet.

2. to double-cross

   Nous avons été doublé ce coup-ci.

   We've been double-crossed this time.

3. to overtake, pass

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

   On the motorway, we had the opportunity to overtake many vehicles. (UK)
   On the freeway, we had the opportunity to pass many vehicles. (US)

4. (sound engineering) to dub

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

   Daniel Beretta, who has dubbed Arnold Schwarzenegger in the French versions of his films since 1987, has also lent his voice to the agent Sam Fisher.

5. (Belgium) to repeat a school year

   Synonym: redoubler

6. to line (a coat)

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
• doublement
• 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.