Standard Lemma guide

dihedral

adj · noun · 6 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /daɪˈhiːdɹəl/
  • US: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Consisting of, relating to or contained between two plane surfaces.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: mathematics, sciences

Examples

  • dihedral angle

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Having wings that form a dihedral angle, especially when the angle between the upper sides is less than 180°.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Of wing pairs, inclined at an upward angle to each other.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

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

An angle between two plane surfaces

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

The upward slope of an aircraft's wing

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The angle between pairs of chemical bonds separated by a third bond

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From di- + -hedral.

Real reading context

dihedral in complete knowledge articles