MMT

M3M3T1

A form of methylcyclopentadienyl manganese tricarbonyl — (CH₃C₅H₄)Mn(CO)₃ ; an octane number boosting additive to unleaded gasoline to replace tetra-ethyl lead as an anti-knock component

Similar
methylcyclopentadienyl manganese tricarbonylMCMT
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Meanings

nounMMT (countable and uncountable, plural MMTs)

plural MMTs

  1. abbreviationcountableuncountableautomotiveAbbreviation of methylcyclopentadienyl manganese tricarbonyl: an octane number boosting additive to unleaded gasoline to replace TEL as an anti-knock component.

    Synonyms: methylcyclopentadienyl manganese tricarbonyl, MCMT

  2. abbreviationcountableinitialismuncountableInitialism of million metric ton(s).
proper noun
  1. abbreviationeconomicsAbbreviation of Modern Monetary Theory.

Synonyms & antonyms

Also see
methylcyclopentadienyl manganese tricarbonyl
Cite this entry
APA

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

MLA

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

Chicago

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

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