phenoxymethyl penicillin

A form of phenoxymethylpenicillin — A crystalline nonhygroscopic acid that is a semisynthetic form of penicillin, used in the form of its sodium or potassium salt C₁₆H₁₇KN₂O₅S, and has antibacterial action similar to benzylpenicillin and is more resistant to inactivation by gastric acids; 6-phenoxyacetamidopenicillanic acid, C₁₇H₂₀N₂O₆S.

Similar
penicillin V
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Meanings

nounphenoxymethyl penicillin (uncountable)
  1. alternativeuncountableAlternative form of phenoxymethylpenicillin.

Synonyms & antonyms

nouna crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids

Similar
penicillin V
Broader
penicillin
Also see
penicillin v

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

phenoxymethyl penicillin. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/phenoxymethyl%20penicillin

MLA

“phenoxymethyl penicillin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phenoxymethyl%20penicillin. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “phenoxymethyl penicillin,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/phenoxymethyl%20penicillin.

Source: phenoxymethyl penicillin on Wiktionary, CC BY-SA 4.0.