• synonyms


[uh-sep-tik, ey-sep-]
See more synonyms for aseptic on Thesaurus.com
  1. free from the living germs of disease, fermentation, or putrefaction.
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  1. a product, as milk or fruit juice, that is marketed in an aseptic package or container.
  2. aseptics, (used with a singular verb) a system of packaging sterilized products in airtight containers so that freshness is preserved for several months.
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Origin of aseptic

First recorded in 1855–60; a-6 + septic
Related formsa·sep·ti·cal·ly, adverba·sep·ti·cism [uh-sep-tuh-siz-uh m, ey-sep-] /əˈsɛp təˌsɪz əm, eɪˈsɛp-/, nounnon·a·sep·tic, adjectivenon·a·sep·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

barren, clean, lifeless, restrained, shrinking

Examples from the Web for aseptic

Historical Examples

  • They understood the principles of aseptic surgery very well.

    Old-Time Makers of Medicine

    James J. Walsh

  • Almost needless to say these are exactly the principles of aseptic surgery.

  • Such an operation is an aseptic one, or performed aseptically.

    The Fundamentals of Bacteriology

    Charles Bradfield Morrey

  • After this, in an aseptic wound the dressing need not be changed for days.

  • The ends should be sutured, however, as soon as the wound is aseptic or has healed.

    Manual of Surgery

    Alexis Thomson and Alexander Miles

British Dictionary definitions for aseptic


  1. free from living pathogenic organisms; sterile
  2. aiming to achieve a germ-free condition
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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

Word Origin and History for aseptic


1859, from a- (2) "not" + septic. As a noun from 1884.

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Online Etymology Dictionary, © 2010 Douglas Harper

aseptic in Medicine


(ə-sĕptĭk, ā-)
  1. Of, relating to, or characterized by asepsis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

aseptic in Science


[ə-sĕptĭk, ā-sĕptĭk]
  1. Free of microorganisms that cause disease.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.