noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A broad-spectrum antibiotic C₃H₆N₂O₂ produced by an actinomycete (Streptomyces orchidaceus) and used especially in the treatment of tuberculosis. countable, uncountable
2. 2
   an antibiotic that is especially active against the tubercle bacillus wordnet

Etymology

From cyclo- + serine.

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