monoamine

/mɒnəʊˈeɪmiːn/

//mɒnəʊˈeɪmiːn// noun

"monoamine" is a 9-letter English headword indexed on PlainSpell.

The verdict

“monoamine” is uncommon English (frequency #64,552 among 36,575 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#64,552
frequency rank, English
36,575
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any compound having a single amino functional group, especially a neurotransmitter.

Key facts for monoamine
PropertyValue
Headwordmonoamine
LanguageEnglish
Part of speechNoun
IPA/mɒnəʊˈeɪmiːn/
Letters9
Frequency rank#64,552
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “monoamine” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). monoamine lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

monoamine is uncommon English at frequency #64,552 among 36,575 “M” headwords, classed as anoun, transcribed /mɒnəʊˈeɪmiːn/. Rarity is why readers land here mid-draft. Gloss: "Any compound having a single amino functional group, especially a neurotransmitter.".

monoamine doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From mono- + -amine. The correct English form is monoamine, spelled M-O-N-O-A-M-I-N-E.

Definition

  1. 1
    Any compound having a single amino functional group, especially a neurotransmitter.

Etymology

From mono- + -amine.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "monoamine"?
"monoamine" is spelled M-O-N-O-A-M-I-N-E. The IPA pronunciation is /mɒnəʊˈeɪmiːn/.
What does "monoamine" mean?
As a noun, "monoamine" means: Any compound having a single amino functional group, especially a neurotransmitter.
How do you pronounce "monoamine"?
The IPA (International Phonetic Alphabet) transcription for "monoamine" is /mɒnəʊˈeɪmiːn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "monoamine"?
From mono- + -amine. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “monoamine”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is M-O-N-O-A-M-I-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as /mɒnəʊˈeɪmiːn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list