• n.
    ⦿(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion
    lexical concept

Semantic relations

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Diagram
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Lexical context

wn:part of speechnoun
ontolex:lexicalized senseenl:canal
wn:interlingual indexili:i85144

Other

skos:is in schemeOpen English WordNet
rdfs:labelcanal