penicillin

[ pen-uh-sil-in ]

/ ˌpɛn əˈsɪl ɪn /

SEE SYNONYMS FOR penicillin ON THESAURUS.COM

noun Pharmacology.

any of several antibiotics of low toxicity, produced naturally by molds of the genus Penicillium and also semisynthetically, having a bactericidal action on many susceptible Gram-positive or Gram-negative cocci and bacilli, some also being effective against certain spirochetes.

Origin of penicillin

First recorded in 1925–30; penicill(ium) + -in²

Words nearby penicillin

penholder, -penia, penicil, penicillamine, penicillate, penicillin, penicillinase, penicillin G, penicillin V, penicillium, penicillus

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for penicillin

He liked to quote a psychiatrist who described MDMA as “penicillin for the soul.”
The Week in Death: Alexander Shulgrin, Who Synthesized the Drug Ecstasy|The Telegraph|June 7, 2014|DAILY BEAST
The teenage schoolgirl died from an allergic reaction to penicillin last June during the botched operation.
Egypt: Stop Mutilating Little Girls!|Bel Trew|April 26, 2014|DAILY BEAST
The pursuit of animal enhancement arose from studies made at the dawn of the penicillin era.
Is Your Bacon on Drugs?|Kent Sepkowitz|December 12, 2013|DAILY BEAST
Unfortunately, Penicillin Envy can make it difficult to achieve those lesser innovations.
Searching for Miracles|Megan McArdle|December 10, 2012|DAILY BEAST

It strikes me that medical research is haunted by the memory of penicillin, and the other antibiotics that immediately followed.
Searching for Miracles|Megan McArdle|December 10, 2012|DAILY BEAST
So far, he'd been lucky with penicillin, but each time he used it with grave doubts of its action on the Mars-adapted patients.
Badge of Infamy|Lester del Rey
It had words for electron, penicillin and calculus, for he found them in his own mind.
The Sky Is Falling|Lester del Rey
And in no time, penicillin was in mass production, saving untold thousands of lives.
Bear Trap|Alan Edward Nourse
The effect of penicillin and certain sulfa drugs on the intracellular bacteroids of the cockroach.
The Biotic Associations of Cockroaches|Louis M. Roth
Bags of fertilizer can be put on display, as can vials of penicillin, and jars of herbicide.
Agricultural Implements and Machines in the Collection of the National Museum of History and Technology|John T. Schlebecker

British Dictionary definitions for penicillin

penicillin

/ (ˌpɛnɪˈsɪlɪn) /

noun

any of a group of antibiotics with powerful bactericidal action, used to treat many types of infections, including pneumonia, gonorrhoea, and infections caused by streptococci and staphylococci: originally obtained from the fungus Penicillium, esp P. notatum. Formula: R-C 9 H 11 N 2 O 4 S where R is one of several side chains

Word Origin for penicillin

C20: from penicillium

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for penicillin

penicillin

An antibiotic that is used to treat infections caused by some kinds of bacteria. Penicillin, which is derived from a common kind of mold that grows on bread and fruit, was the first antibiotic discovered and put into widespread use.

notes for penicillin

Penicillin was first widely used during World War II.

Medical definitions for penicillin

penicillin

[ pĕn′ĭ-sĭl′ĭn ]

n.

Any of a group of broad-spectrum antibiotic drugs obtained from penicillium molds or produced synthetically, most active against gram-positive bacteria and used in the treatment of various infections and diseases.

Scientific definitions for penicillin

penicillin

[ pĕn′ĭ-sĭl′ĭn ]

An antibiotic drug obtained from molds of the genus Penicillium and used to treat or prevent various infections caused by gram-positive bacteria such as streptococcus. Penicillin was the first of a class of antibiotics (whose names end in -icillin) that are derived from it and are active against a broader spectrum of bacteria. See Note at Alexander Fleming.

单词	penicillin
释义	penicillin [ pen-uh-sil-in ] / ˌpɛn əˈsɪl ɪn / SEE SYNONYMS FOR penicillin ON THESAURUS.COM noun Pharmacology. any of several antibiotics of low toxicity, produced naturally by molds of the genus Penicillium and also semisynthetically, having a bactericidal action on many susceptible Gram-positive or Gram-negative cocci and bacilli, some also being effective against certain spirochetes. Origin of penicillin First recorded in 1925–30; penicill(ium) + -in² Words nearby penicillin penholder, -penia, penicil, penicillamine, penicillate, penicillin, penicillinase, penicillin G, penicillin V, penicillium, penicillus Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for penicillin He liked to quote a psychiatrist who described MDMA as “penicillin for the soul.” The Week in Death: Alexander Shulgrin, Who Synthesized the Drug Ecstasy\|The Telegraph\|June 7, 2014\|DAILY BEAST The teenage schoolgirl died from an allergic reaction to penicillin last June during the botched operation. Egypt: Stop Mutilating Little Girls!\|Bel Trew\|April 26, 2014\|DAILY BEAST The pursuit of animal enhancement arose from studies made at the dawn of the penicillin era. Is Your Bacon on Drugs?\|Kent Sepkowitz\|December 12, 2013\|DAILY BEAST Unfortunately, Penicillin Envy can make it difficult to achieve those lesser innovations. Searching for Miracles\|Megan McArdle\|December 10, 2012\|DAILY BEAST It strikes me that medical research is haunted by the memory of penicillin, and the other antibiotics that immediately followed. Searching for Miracles\|Megan McArdle\|December 10, 2012\|DAILY BEAST So far, he'd been lucky with penicillin, but each time he used it with grave doubts of its action on the Mars-adapted patients. Badge of Infamy\|Lester del Rey It had words for electron, penicillin and calculus, for he found them in his own mind. The Sky Is Falling\|Lester del Rey And in no time, penicillin was in mass production, saving untold thousands of lives. Bear Trap\|Alan Edward Nourse The effect of penicillin and certain sulfa drugs on the intracellular bacteroids of the cockroach. The Biotic Associations of Cockroaches\|Louis M. Roth Bags of fertilizer can be put on display, as can vials of penicillin, and jars of herbicide. Agricultural Implements and Machines in the Collection of the National Museum of History and Technology\|John T. Schlebecker British Dictionary definitions for penicillin penicillin / (ˌpɛnɪˈsɪlɪn) / noun any of a group of antibiotics with powerful bactericidal action, used to treat many types of infections, including pneumonia, gonorrhoea, and infections caused by streptococci and staphylococci: originally obtained from the fungus Penicillium, esp P. notatum. Formula: R-C 9 H 11 N 2 O 4 S where R is one of several side chains Word Origin for penicillin C20: from penicillium Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to penicillin amoxicillin, tetracycline, erythromycin, streptomycin, ampicillin, sulfonamide, wonder drug, sulfa drug Cultural definitions for penicillin penicillin An antibiotic that is used to treat infections caused by some kinds of bacteria. Penicillin, which is derived from a common kind of mold that grows on bread and fruit, was the first antibiotic discovered and put into widespread use. notes for penicillin Penicillin was first widely used during World War II. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for penicillin penicillin [ pĕn′ĭ-sĭl′ĭn ] n. Any of a group of broad-spectrum antibiotic drugs obtained from penicillium molds or produced synthetically, most active against gram-positive bacteria and used in the treatment of various infections and diseases. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for penicillin penicillin [ pĕn′ĭ-sĭl′ĭn ] An antibiotic drug obtained from molds of the genus Penicillium and used to treat or prevent various infections caused by gram-positive bacteria such as streptococcus. Penicillin was the first of a class of antibiotics (whose names end in -icillin) that are derived from it and are active against a broader spectrum of bacteria. See Note at Alexander Fleming. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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penicillin

noun Pharmacology.

Origin of penicillin

Words nearby penicillin

Example sentences from the Web for penicillin

British Dictionary definitions for penicillin

noun

Word Origin for penicillin

Words related to penicillin

Cultural definitions for penicillin

notes for penicillin

Medical definitions for penicillin

n.

Scientific definitions for penicillin