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Douglas Harper's Etymology Dictionary

1952, with chemical suffix -ine (2) + tetracyclic "containing four fused hydrocarbon rings," from tetra- + cyclic (see cycle (n.)).


n. 1 An antibiotic produced by the ''Streptomyces'' bacterium. 2 Any antibiotic with the same general structure derived from tetracene with many hydroxyl and other groups.


n. an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections [syn: Achromycin]


Tetracycline is an antibiotic used to treat a number of bacterial infections. It is commonly used to treat acne and rosacea. Historically it was important in reducing the number of deaths from cholera.

A broad-spectrum antibiotic of the polyketide class, it is produced by the actinobacterial genus Streptomyces. It acts by inhibiting protein synthesis.

Tetracycline is on the World Health Organization's List of Essential Medicines, a list of the most important medication needed in a basic health system. It is marketed under the brand names Sumycin, Tetracyn, Lymecycline, and Panmycin, among others. Actisite is a thread-like fiber formulation used in dental applications. It is also used to produce several semisynthetic derivatives, which together are known as the tetracycline antibiotics. The term "tetracycline" is also used to denote the four-ring system of this compound; "tetracyclines" are related substances that contain the same four-ring system.

Usage examples of "tetracycline".

And Streptomyces bacteria produce a host of antibiotics, including streptomycin, tetracycline, neomycin, chloramphenicol, and erythromycin.

Decades worth of weight training, tetracycline, orthodontia, MTV, and NutraSweet paying off in one grand, glorious spray.

In addition, tetracycline, minocycline, oxytetracycline, demeclocycline, and penicillin G potassium are approved by the FDA for treatment of patients who are clinically ill with anthrax infection.

In South Africa a strain was found to be resistant not only to penicillin, but to most of its successors, including ampicillin, streptomycin, methicillin, chloramphenicol, and tetracycline.

The medicine they carried, mostly tetracycline and metronidazole for dysentery contracted from eating spoiled food and from unsanitary living conditions, would give away their true purpose, for people in Babylon who had the mark and had taken the communion had no need for such medicines.

We, I mean, they took it through the whole range of antibiotics from aminoglycosides to tetracyclines.

tetracycline-resistant strains in the bacterium Bacteroides have developed a kind of tetracycline reflex.

Whenever tetracycline appears in the neighborhood, a Bacteroides transposon goes into overdrive, manufacturing R-plasmids at a frantic rate and then passing them to other bacteria in an orgy of sexual encounters a hundred times more frequent than normal.

I heard a hissmy friend, Hamiltonmy own personal patron saint of badly folded maps, damp matches, low-grade pornography, bad perms, tetracycline, and borrowed cigarettes.

There was a companyI can't remember the name, this was back in the early eightiesit started marketing an antidiarrhea drug containing chloramphenicol and tetracycline in the form of a chocolate flavored pill.

It would be nice if the drug could be initially tested to see if it was penicillin or tetracycline, but that is beyond the Grantville high school chem lab's capability.

It would be nice if the drug could be initially tested to see if it was penicillin or tetracycline, but that is beyond the Grantville high school chem lab’.

Besides, he said, rationalising it and silencing me, Peterman needed the tetracycline as soon as possible.