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Longman Dictionary of Contemporary English
anabolic steroid
▪ They were all later released after police dropped charges that they illegally imported anabolic steroids into the country.
▪ Then we each knock back a fistful of anabolic steroids.
▪ We will make it an offence to supply anabolic steroids to minors.
▪ There is rampant use of anabolic steroids and other performance-enhancing drugs among young athletes..
▪ Between 1981 and 1988, he purchased anabolic steroids worth $ 215,101 from various pharmaceutical companies.
▪ Reynolds was banned from athletics for two years after testing positive for steroids.
▪ I've prescribed steroids freely in the past without thinking about the immunosuppressant effect.
▪ One of the major side effects of taking steroids is a noticeable change in body structure, changes in features.
▪ But he said Yates denied taking steroids and that there had been irregularities in the testing procedures.
▪ Reynolds was banned from athletics for two years after testing positive for steroids.
▪ Patients were allowed to use topical steroids and emollients as required.
▪ They were advised to use topical steroids only on severely affected areas of skin, in accordance with our usual practice.
▪ Most of these people use intramuscular steroids, although only one admits to having shared needles at any time.
▪ An added benefit is that rabbits are commonly raised without the use of hormones or steroids to promote growth.
▪ Anabolic steroids, a controlled substance in the United States since 1988, are not detectable by drug-sniffing canines.
▪ Apart from changes in the quantity applied, no changes in topical steroids were allowed during the trial or the preceding 4 weeks.
▪ Both authors used steroids in an attempt to control the disease process, with some success.
▪ In some patients, a course of steroids may be added to this drug.
▪ Treatment has been started, just steroids for the moment.
The Collaborative International Dictionary
Douglas Harper's Etymology Dictionary

naturally occuring substance based on a carbon skeleton similar to that of sterol molecules, 1936, from sterol + -oid "resembling." Related: Steroids.


n. 1 (context biochemistry English) A class of organic compounds having a structure of 17 carbon atoms arranged in four rings; they are lipids, and occur naturally as sterols, bile acids, adrenal and sex hormones, and some vitamins; many drugs are synthetic steroids. 2 (context bodybuilding English) Any anabolic hormone used to promote muscle growth. 3 (context sports US English) Any chemical compound used to enhance athletic performance.

  1. n. any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects

  2. any hormone affecting the development and growth of sex organs [syn: steroid hormone, sex hormone]


A steroid is an organic compound with four rings arranged in a specific configuration. Examples include the dietary lipid cholesterol, the sex hormones estradiol and testosterone and the anti-inflammatory drug dexamethasone. Steroids have two principal biological functions: certain steroids (such as cholesterol) are important components of cell membranes which alter membrane fluidity, and many steroids are signaling molecules which activate steroid hormone receptors.

The steroid core structure is composed of seventeen carbon atoms, bonded in four " fused" rings: three six-member cyclohexane rings (rings A, B and C in the first illustration) and one five-member cyclopentane ring (the D ring). Steroids vary by the functional groups attached to this four-ring core and by the oxidation state of the rings. Sterols are forms of steroids with a hydroxyl group at position three and a skeleton derived from cholestane. They can also vary more markedly by changes to the ring structure (for example, ring scissions which produce secosteroids such as vitamin D).

Hundreds of steroids are found in plants, animals and fungi. All steroids are manufactured in cells from the sterols lanosterol (animals and fungi) or cycloartenol (plants). Lanosterol and cycloartenol are derived from the cyclization of the triterpene squalene.

Usage examples of "steroid".

There were antibiotics, anti-inflammatory medication, anabolic steroids, including a full course of prednisone, and at least ten different types of pain medication, including codeine and morphine.

Together with the steroid prednisone, an anti-inflammatory agent, organ transplantation became a possibility for everyone.

They were therefore lumped under the heading of adrenocortical steroids, or, by telescoping the phrase, as corticoids.

But if a goldfish went woof woof, it would be an empty threat, because what harm could a goldfish do you, even a very large, pumped-up on steroids kind of goldfish who had possibly studied all the Sonny Chiba films and knew a lot of spiffy moves?

The doctors gave me steroids and cyclosporine to control it, and that worked, but it also managed to break down my kidneys, which is the emergency flavor of the month.

By decreasing the inflammation with steroids, you can often decrease the pain associated with the inflammation.

No, steroids, especially megadose steroids, provide agitation with all the negative consequences of the word.

So it happened that only Bernice noticed the skateboarding punk-rocker of an Elder God on anabolic steroids who was accelerating ominously towards them from way back down the boulevard, sparks grating from the skateboard wheels, squatting in a kind of schuss position and gnashing her ominously long, needle-sharp teeth.

Nothing short of a truckload of steroids could have delivered the professor from his computer-geek looks.

This included male and female hormones-testosterone, estrogen, progesterone-which affect fertility, sexual aggressiveness and birth control, and during that period of the fifties when the Pill was just beginning to be used, the subject of steroids commanded wide scientific and commercial interest.

Contains processed oleander leaves, saltpeter, oil of peppermint, N-Acetyl-p-aminophenol, zinc oxide, charcoal, cobalt chloride, caffeine, extract of digitalis, steroids in trace amounts, sodium citrate, ascorbic acid, artificial coloring and flavoring.

In the early 1930*5, compounds with androgenic properties were isolated and proved to be steroids.

Suddenly there was both enthusiasm and money for biology, and a torrent of discoveries poured forth: tranquilizers, steroid hormones, immunochemistry, the genetic code.

He’d been treated with IV steroids and bronchodilators as well as humidified air and bed rest.

The steroids in digitalis are something like the bile acids in structure except that the carboxyl group on the side-chain combines with another portion of the chain to form a fifth ring that is not part of the four-ring steroid nucleus.