neostigmine

N1E1O1S1T1I1G2M3I1N1E1
/ˌniː.əˈstɪɡ.miːn/

noun

An anticholinesterase drug used in the form of its bromide C₁₂H₁₉BrN₂O₂ or a methyl sulfate derivative C₁₃H₂₂N₂O₆S especially in the diagnosis and treatment of myasthenia gravis and in the treatment of urinary bladder or bowel atony.

Similar
Prostigmin
OriginEnglish physostigmine ← Ancient Greek φῦσᾰ (phûsă) ← Proto-Hellenic *néwos →
UncommonScrabble 14
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Meanings

nounneostigmine (usually uncountable, plural neostigmines)

plural neostigmines

  1. uncountableusuallymedicineAn anticholinesterase drug used in the form of its bromide C₁₂H₁₉BrN₂O₂ or a methyl sulfate derivative C₁₃H₂₂N₂O₆S especially in the diagnosis and treatment of myasthenia gravis and in the treatment of urinary bladder or bowel atony.

Synonyms & antonyms

nouna cholinergic drug (trade name Prostigmin) used to treat some ophthalmic conditions and to treat myasthenia gravis

Similar
Prostigmin
Broader
anticholinesterase

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*nu
  2. Proto-Indo-European*néwos
  3. Proto-Hellenic*néwos
  4. Ancient Greekνέος (néos)
  5. Ancient Greekνεο- (neo-)
  6. Englishneo-
  7. Ancient Greekφῦσᾰ (phûsă)
  8. Englishphysostigmine
  9. Englishneostigmine

From neo- + -stigmine (“acetylcholinesterase inhibitor”).

Full word history & related roots →
Cite this entry
APA

neostigmine. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/neostigmine

MLA

“neostigmine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/neostigmine. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “neostigmine,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/neostigmine.

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