binary relation

/ˈbaɪ.ner.i rɪˈleɪ.ʃən/

//ˈbaɪ.ner.i rɪˈleɪ.ʃən// noun

"binary-relation" is a 14-letter English headword indexed on PlainSpell.

The verdict

“binary relation” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A subset of the Cartesian product A×A (the set of ordered pairs (a, b) of elements of A, alternatively written as A²).

Corpus desk

Index EN-binary-relation · binary relation · English

binary relation · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for binary relation
PropertyValue
Headwordbinary relation
LanguageEnglish
Part of speechNoun
IPA/ˈbaɪ.ner.i rɪˈleɪ.ʃən/
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “binary relation” in English

binary relationranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

binary relation is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈbaɪ.ner.i rɪˈleɪ.ʃən/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for binary relation in our index, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

No explicit etymology string is stored for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is binary relation, spelled B-I-N-A-R-Y- -R-E-L-A-T-I-O-N.

Definition

  1. 1
    A subset of the Cartesian product A×A (the set of ordered pairs (a, b) of elements of A, alternatively written as A²).
  2. 2
    A subset of the Cartesian product A×B.

Recorded use

Wiktionary examples

These source excerpts show how binary relation appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. A partially ordered set #92;langleA,#92;varrho#92;rangle consists of a nonvoid set A and a binary relation #92;varrho on A, such that #92;varrho satisfies properties (P1)-(P3).
  2. 1.30. Corollary. If P is a binary relation which is asymmetric and negatively transitive, then P is also transitive. It should be noted that a binary relation may be irreflexive and negatively transitive without being transitive; as an example, consider the standard inequality relation (≠).

Synonyms

correspondencedyadic relation2-place relation

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "binary relation"?
"binary relation" is spelled B-I-N-A-R-Y- -R-E-L-A-T-I-O-N. The IPA pronunciation is /ˈbaɪ.ner.i rɪˈleɪ.ʃən/.
What does "binary relation" mean?
As a noun, "binary relation" means: A subset of the Cartesian product A×A (the set of ordered pairs (a, b) of elements of A, alternatively written as A²).
How do you pronounce "binary relation"?
The IPA (International Phonetic Alphabet) transcription for "binary relation" is /ˈbaɪ.ner.i rɪˈleɪ.ʃən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "binary relation" come from?
"binary relation" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list