tetracycline

noun

tet·ra·cy·cline | \ ˌte-trə-ˈsī-ˌklēn

, -klən\

Definition of tetracycline

: a yellow crystalline broad-spectrum antibiotic C₂₂H₂₄N₂O₈ produced by streptomyces or synthetically also : any of several chemically related antibiotics (such as doxycycline)

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Did You Know?

Most chemical names are made up of two or more Greek and Latin roots strung together. Thus, tetracycline, with its cycl- root from the Greek word for "circle", means "four-ringed"—that is, "consisting of four fused hydrocarbon rings". Antibiotics work against bacteria and other tiny organisms (but not viruses); tetracycline, which comes from a kind of soil bacteria, is one of the most used of the antibiotics. "Broad-spectrum" antibiotics work well on numerous organisms; thus, tetracycline has proved effective against acne, chlamydia, cholera, rickets, and various lung and eye infections, among many other conditions.

Examples of tetracycline in a Sentence

Recent Examples on the Web

But other types, such as erythromycin and tetracycline, may not be recommended or may be reserved only for more severe cases or short-term use. — Nikhita Mahtani, SELF, "How to Safely Treat Your Postpartum Acne," 24 Apr. 2019 The exceptions are aspirin and the antibiotic tetracycline, which can deteriorate soon after expiration dates. — Linda A. Johnson, chicagotribune.com, "Pill expiration dates can have wiggle room if stored right," 4 May 2018 The exceptions are aspirin and the antibiotic tetracycline, which can deteriorate soon after expiration dates. — Linda A. Johnson, chicagotribune.com, "Pill expiration dates can have wiggle room if stored right," 4 May 2018 The exceptions are aspirin and the antibiotic tetracycline, which can deteriorate soon after expiration dates. — Linda A. Johnson, chicagotribune.com, "Pill expiration dates can have wiggle room if stored right," 4 May 2018 The exceptions are aspirin and the antibiotic tetracycline, which can deteriorate soon after expiration dates. — Linda A. Johnson, chicagotribune.com, "Pill expiration dates can have wiggle room if stored right," 4 May 2018 Aureomycin spawned a class of antibiotics called the tetracyclines still used for everything from soft tissue infections to malaria prophylaxis. — Aaron Gilbreath, Longreads, "We Are Scientists," 5 June 2018 The exceptions are aspirin and the antibiotic tetracycline, which can deteriorate soon after expiration dates. — Linda A. Johnson, chicagotribune.com, "Pill expiration dates can have wiggle room if stored right," 4 May 2018 The exceptions are aspirin and the antibiotic tetracycline, which can deteriorate soon after expiration dates. — Linda A. Johnson, chicagotribune.com, "Pill expiration dates can have wiggle room if stored right," 4 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tetracycline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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More Definitions for tetracycline

tetracycline

noun

tet·ra·cy·cline | \ ˌte-trə-ˈsī-ˌklēn

, -klən

Medical Definition of tetracycline

: a yellow crystalline broad-spectrum antibiotic that is produced by a soil actinomycete of the genus Streptomyces (S. viridifaciens) or made synthetically and that is administered chiefly in the form of its hydrochloride C₂₂H₂₄N₂O₈·HCl also : any of several chemically related antibiotics (as doxycycline)

tetracycline

Definition of tetracycline

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Examples of tetracycline in a Sentence

First Known Use of tetracycline

History and Etymology for tetracycline

Medical Definition of tetracycline

tetracycline

Definition of tetracycline

Did You Know?

Examples of tetracycline in a Sentence

First Known Use of tetracycline

History and Etymology for tetracycline

Medical Definition of tetracycline

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