aerosol

noun aero·sol \ ˈer-ə-ˌsäl , -ˌsȯl \
Updated on: 17 May 2018

Definition of aerosol

1 : a suspension of fine solid or liquid particles in gas
  • smoke, fog, and mist are aerosols
; also aerosols plural : the fine particles of an aerosol
  • stratospheric aerosols
2 : a substance (such as an insecticide or medicine) dispensed from a pressurized container as an aerosol; also : the container for this

Recent Examples of aerosol from the Web

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

Origin and Etymology of aerosol

aero- + -sol (in hydrosol)


AEROSOL Defined for English Language Learners

aerosol

Definition of aerosol for English Language Learners

  • : a substance (such as hair spray or medicine) that is kept in a container under pressure and that is released as a fine spray when a button is pressed


AEROSOL Defined for Kids

aerosol

noun aero·sol \ ˈer-ə-ˌsäl , -ˌsȯl \

Definition of aerosol for Students

1 : a substance (as an insect repellent or medicine) that is released from a container as a spray of tiny solid or liquid particles in gas
2 : a container (as a can) that dispenses a substance as a spray

Medical Dictionary

aerosol

noun aero·sol \ ˈar-ə-ˌsäl , ˈer- , -ˌsȯl \

medical Definition of aerosol

1 : a suspension of fine solid or liquid particles in gas
  • smoke, fog, and mist are aerosols
2 : a substance (as an insecticide or medicine) dispensed from a pressurized container as an aerosol; also : the container for this


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