Meanings
adjectiveorthodromic (not comparable)
- not comparableOf or relating to a means of navigation by following an arc of the great circle corresponding to the shortest distance between two points on the globe.
- not comparablePassing along neurological impulses in a normal (expected) direction. (of neurons)
Antonyms: antidromic
Synonyms & antonyms
adjectivePassing along neurological impulses in a normal (expected) direction. (of neurons)
Opposite
Origin
- Proto-Indo-European*h₃er-
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*h₃érdʰeti?
- Proto-Indo-European*h₃erdʰ-
- Proto-Hellenic*ortʰwós
- Ancient Greekὀρθός (orthós)
- Englishortho-
- Proto-Indo-European*drem-
- Ancient Greekδρόμος (drómos)
- Englishorthodromic
From ortho- + Ancient Greek δρόμος (drómos, “a course, race course, road”) + English -ic.
Full word history & related roots →Translations
Irish ortadromach
- ortadromachpassing along neurological impulses in a normal direction
Cite this entry
APA
orthodromic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/orthodromic
MLA
“orthodromic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orthodromic. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “orthodromic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/orthodromic.
Source: orthodromic on Wiktionary, CC BY-SA 4.0.