permeate

[ pur-mee-eyt ]
/ ˈpɜr miˌeɪt /

verb (used with object), per·me·at·ed, per·me·at·ing.

to pass into or through every part of: Bright sunshine permeated the room.
to penetrate through the pores, interstices, etc., of.
to be diffused through; pervade; saturate: Cynicism permeated his report.

verb (used without object), per·me·at·ed, per·me·at·ing.

to become diffused; penetrate.

Nearby words

  1. permeable,
  2. permeameter,
  3. permeance,
  4. permeant,
  5. permease,
  6. permeation,
  7. permian,
  8. permic,
  9. permie,
  10. permillage

Origin of permeate

1650–60; < Latin permeātus past participle of permeāre to pass through. See per-, meatus

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for permeation


British Dictionary definitions for permeation

permeate

/ (ˈpɜːmɪˌeɪt) /

verb

to penetrate or pervade (a substance, area, etc)a lovely smell permeated the room
to pass through or cause to pass through by osmosis or diffusionto permeate a membrane
Derived Formspermeation, nounpermeative, adjective

Word Origin for permeate

C17: from Latin permeāre, from per- through + meāre to pass

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

Medicine definitions for permeation

permeation

[ pûr′mē-āshən ]

n.

The process of spreading through or penetrating, as in the extension of a malignant neoplasm by continuous proliferation of the cells along the blood or lymph vessels.

permeate

[ pûrmē-āt′ ]

v.

To spread or flow throughout; pervade.
To pass through the openings or interstices of, as a liquid through a membrane.

n.

One that can permeate.
Related formsperme•ant (-ənt) null adj.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.