tobramycin

T1O1B3R1A1M3Y4C3I1N1
UK/ˌtɒb.ɹəˈmaɪ.sɪn/US/ˌtoʊ.bɹəˈmaɪ.sn̩/

noun

A colorless water-soluble aminoglycoside antibiotic C₁₈H₃₇N₅O₉, isolated from a soil bacterium Streptoalloteichus tenebrarius and used especially against Gram-negative bacteria. When used in combination with loteprednol to treat inflammatory conditions of the eye, tobramycin is marketed under the trademark Zylet.

Similar
Nebcin
UncommonScrabble 19
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nountobramycin (uncountable)

alternative nebramycin

  1. uncountablemedicineA colorless water-soluble aminoglycoside antibiotic C₁₈H₃₇N₅O₉, isolated from a soil bacterium Streptoalloteichus tenebrarius and used especially against Gram-negative bacteria. When used in combination with loteprednol to treat inflammatory conditions of the eye, tobramycin is marketed under the trademark Zylet.

Synonyms & antonyms

nounan antibiotic (trade name Nebcin) that is especially effective against Gram-negative bacteria

Similar
Nebcin
Broader
antibioticantibiotic drug

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From [Term?] + translingual (Streptoalloteichus tene)bra(rius) + -mycin (“antibiotic”).

Full word history & related roots →

Translations

Finnish tobramysiini
  • tobramysiiniTranslations
Spanish tobramicina
  • tobramicinaTranslations
Cite this entry
APA

tobramycin. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/tobramycin

MLA

“tobramycin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tobramycin. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “tobramycin,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/tobramycin.

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