Unnumbered source etymology
Original entry ↗To convert from single to dual; specifically, to convert a single-carriageway road to a dual carriageway.
Characterized by having two (usually equivalent) components. · Pertaining to two, pertaining to a pair of. · Pertaining to a grammatical number in certain languages that refers to two of something, such as a pair of shoes. · Exhibiting duality.
Of an item that is one of a pair, the other item in the pair. · Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces. · The dual number. · Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space.
PIE word *dwóh₁ Borrowed from Latin dualis (“two”), from duo (“two”) + adjective suffix -alis.
Relationships mentioned by the source
These are extracted mentions, not a timeline or a verified sequence of immediate parents.
- Borrowed-form mentiondualisla · two
This page abbreviates 3 auxiliary source items. The etymology narrative is not shortened. Omission counts are available in the audit fields below; consult the original for complete auxiliary material.
Inspect preserved source fields
Raw extraction fields are retained for auditing. Their order does not establish ancestry.
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