noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˌdɒk.sɪˈsʌɪ.kliːn/
General-American:/ˌdak.siˈsaɪːklin/
General-American:/ˌdak.siˈsəɪːklin/
1
noun
Meaning 1
A broad-spectrum antibiotic C22H24N2O8 of the tetracycline class, which has a long half-life in the body and used orally to treat various bacterial infections.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: medicine, pharmacology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
an antibiotic derived from tetracycline that is effective against many infections
Definition source: Princeton WordNet 3.0
Examples
Vibramycin is the trade name of doxycycline
Meaning relationships
Synonyms: Vibramycin
Antonyms: none provided
Broader terms: antibiotic, antibiotic drug
History
Etymology
Blend of d(e)oxy- + oxy(tetra)cycline.
Across languages
Translations
7 source translations are retained for this English entry.
Chinese Mandarin:
去氧羥四環素 /去氧羟四环素
(qùyǎng qiǎngsìhuánsù)
— Translations
Chinese Mandarin:
多西環素 /多西环素
(duōxīhuánsù)
— Translations