dual
/ˈdul/
Word Rarity
Uncommon
Frequency: 4.28 in modern English
5
Scrabble Score
4
Letters
2
Syllables
4
Unique Chars
Meaning
adj
Characterized by having two (usually equivalent) components.
adj
Pertaining to two, pertaining to a pair of.
adj
Pertaining to a grammatical number in certain languages that refers to two of something, such as a pair of shoes.
adj
adj
Being the space of all linear functionals of (some other space).
adj
Being the dual of some other category; containing the same objects but with source and target reversed for all morphisms.
noun
Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces.
Example Sentences
- "a dual-motor vehicle"
- "dual engine failure"
- "dual citizenship"
- "Both Deborah and Samuel held dual roles as judges and prophets."
- "And some Asian countries are tightening their immigration laws. Japan reinforced its strict stance in January when a court upheld the country’s ban against dual citizenship, rejecting a lawsuit filed by Japanese citizens living in Europe."
- "Modern Arabic displays a dual number, as did Homeric Greek."
Etymology
Origin
- Source language: Latin
Word Breakdown
- Root: dualis
Regional Pronunciation
- American English: /ˈdul/