bn:00015143n
Noun Concept
EN
canal
EN
(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion WordNet 3.0
Definitions
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Sources
EN
(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion WordNet 3.0 & Open English WordNet
IS A
CATEGORY DOMAIN
WordNet 3.0 & Open English WordNet
EN