Word Pronunciation & Dictionary

superdiagonal

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables: su-per-diag-o-nal
IPA

17

Scrabble Score

13

Letters

5

Syllables

12

Unique Chars

Meaning

noun

The diagonal of a matrix that lies directly above and to the right of the main diagonal.

Example Sentences

"We classify all free spectrahedra that are circular, that is, closed under multiplication by exp(i t): up to unitary equivalence, the coefficients of a minimal LMI defining a circular free spectrahedron have a common block decomposition in which the only nonzero blocks are on the superdiagonal."

Etymology

From super- + diagonal.

Word Breakdown

Prefix: super

Inflected Forms

superdiagonals (plural)

Questions

What does superdiagonal mean?: The diagonal of a matrix that lies directly above and to the right of the main diagonal.
Where does superdiagonal come from?: From super- + diagonal.

How to pronounce superdiagonal

Open the pronunciation page — Open the Speakur entry for “superdiagonal”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “superdiagonal”.
Repeat and practice — Say “superdiagonal” aloud, matching stress and vowels until it feels natural.