protagon

P3R1O1T1A1G2O1N1

noun

A supposed crystalline molecule that forms the brain. The idea was proposed by Matthias Eugen Oscar Liebreich and Johann Ludwig Wilhelm Thudichum later disproved it, showing that the brain contains various lipids.

OriginAncient Greek ἀγών →
Scrabble 11
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounprotagon (countable and uncountable, plural protagons)

plural protagons

  1. countableuncountablebiochemistryA supposed crystalline molecule that forms the brain. The idea was proposed by Matthias Eugen Oscar Liebreich and Johann Ludwig Wilhelm Thudichum later disproved it, showing that the brain contains various lipids.

Origin

  1. Ancient Greekἀγών“a contest”
  2. Englishprotagon

From proto- + Ancient Greek ἀγών (agṓn, “a contest”). See protagonist. So called because it was the first definitely ascertained principle of the brain.

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

protagon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/protagon

MLA

“protagon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protagon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “protagon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/protagon.

Source: protagon on Wiktionary, CC BY-SA 4.0.