vertical angle is a noun meaning "either of two equal and opposite angles formed by the intersection of two straight lines". It carries one recorded sense.
either of two equal and opposite angles formed by the intersection of two straight lines
Definitions, synonyms and semantic relations for vertical angle come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.
147,478 entries in AltF Lexicon, every one with its syllables marked.
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