[tet.ra.cy.cline] n [ISV tetracyclic having four fused hydrocarbon rings +
[2]-ine] (1952): a yellow crystalline broad-spectrum antibiotic produced by streptomyces or synthetically
[tet.ra.cy.cline] n [ISV tetracyclic having four fused hydrocarbon rings +
[2]-ine] (1952): a yellow crystalline broad-spectrum antibiotic produced by streptomyces or synthetically
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012