doxycycline [dok-see-sahy-kleen, -klin] Word Origin noun Pharmacology.

  1. a synthetic analog of a broad-spectrum antibiotic tetracycline drug, C22H24N2O8, used against a wide range of susceptible Gram-positive and Gram-negative organisms.

Origin of doxycycline contraction of deoxytetracycline British Dictionary definitions for doxycycline doxycycline noun

  1. a tetracycline antibiotic used to treat conditions caused by a wide range of bacteria, including anthrax

doxycycline in Medicine doxycycline [dŏk′sĭ-sī′klēn′, -klĭn] n.

  1. An antibacterial derived from tetracycline.
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