Standard Lemma guide

doubler

noun · 11 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

One who doubles.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

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.

Definition source: English Wiktionary via Wiktextract

Qualifier: structural engineering

Examples

  • 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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A blanket or felt placed between the fabric and the printing table or cylinder.

Definition source: English Wiktionary via Wiktextract

Qualifier: calico printing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A person employed in a roller mill to fold the hot metal plates in half.

Definition source: English Wiktionary via Wiktextract

Topics: arts, crafts, engineering, hobbies, lifestyle, metallurgy, metalworking, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

A diaper insert.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: diaper doubler

Antonyms: none provided

9

noun

Meaning 9

A tenement house having two families on each floor.

Definition source: English Wiktionary via Wiktextract

Usage: US, dialectal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

A biplane aeroplane or kite.

Definition source: English Wiktionary via Wiktextract

Usage: colloquial

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

an electronic device that doubles the voltage or the frequency of an input signal

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: electronic device

History

Etymology

Etymology tree English double Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English doubler From double (verb) + -er.

Etymology tree English double Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English doubler From double (adjective) + -er.

Real reading context

doubler in complete knowledge articles