noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A semisynthetic antibiotic used especially in the form of its disodium salt C₁₅H₁₄N₂Na₂O₆S₂. uncountable

Etymology

From thi(ophene) + car(boxy) + -cillin (“6-aminopenicillanic acid derivative”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.