Standard Lemma guide

decalage

noun · 4 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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  • /ˈdeɪkəˌlɑːʒ/
  • /ˌdeɪkəˈlɑːʒ/

1

noun

Meaning 1

The difference in angle of incidence between the main wing and horizontal stabilizer, or between the canard and main wing, of an airplane.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The difference in angle of incidence of the two wings of a biplane.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The angle between two geometric lines that define an aerofoil.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

In Piagetian developmental psychology, the inability to apply a learned function across all problems (horizontal decalage) or across different developmental stages (vertical decalage).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, psychology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From French décalage.