surfactant


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Related to surfactant: emulsifier, Pulmonary surfactant

sur·fac·tant

 (sər-făk′tənt, sûr′făk′-)
n.
1. A surface-active substance.
2. A substance composed of lipoprotein that is secreted by the alveolar cells of the lung and serves to maintain the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung.

[surf(ace)-act(ive) + a(ge)nt.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

surfactant

(sɜːˈfæktənt)
n
(Chemistry) Also called: surface-active agent a substance, such as a detergent, that can reduce the surface tension of a liquid and thus allow it to foam or penetrate solids; a wetting agent
adj
(Chemistry) having the properties of a surfactant
[C20: surf(ace)-act(ive) a(ge)nt]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sur•fac•tant

(sərˈfæk tənt)

n.
any surface-active substance, as a detergent or a natural or artificial substance that coats the lungs and prevents them from collapsing.
[1945–50; surf(ace)-act(ive)a(ge)nt]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

sur·fac·tant

(sər-făk′tənt)
1. A substance, such as detergent, that is added to a liquid to increase its ability to spread.
2. A substance produced by the tiny air-filled sacs of the lung that reduces the surface tension of the fluids coating the lung. Surfactant helps keep the tiny air sacs from collapsing during normal breathing.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

surfactant

(surface active agent) A substance (for example a detergent) added to a liquid which can alter its spreading or wetting characteristics by lowering its surface tension.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.surfactant - a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved
emulsifier - a surface-active agent that promotes the formation of an emulsion
chemical agent - an agent that produces chemical reactions
detergent - a surface-active chemical widely used in industry and laundering
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
tensioactiftensio-actif

surfactant

n (Chem) → Tensid nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

sur·fac·tant

n. surfactante, agente tensoactivo que modifica la tensión superficial de un líquido.
English-Spanish Medical Dictionary © Farlex 2012

surfactant

n surfactante m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Liquid Surfactant Compositions that Adhere to Surfaces and Solidify and Swell in the Presence of Water and Articles Using the Same: Jeffery Richard Seidling, Appleton, WI; Scott W.
INTRODUCTION: Surfactant is a naturally produced substance in the lungs and it is a kind of foamy, fatty liquid that acts like grease within the lungs.
Objectives: To assess a single-centre experience and outcome of premature neonates who received surfactant therapy.
Maximum wetting and minimal defects require the proper surfactant to promote substrate wetting and minimize foam generation.
Injection of surfactant to change properties of the reservoir rock and fluid is one of enhanced oil extraction methods.
As part of the move, Wilmar has inked a multi-year accord to buy sulphated surfactant products from Huntsman facilities in France and Italy.
Respiratory distress syndrome is pulmoner insufficiency caused by the lack of surfactant and the main reason of morbidity and mortality in preterm infants.
Fact.MR's latest forecast study estimates that the global surfactant cleansers and adjuvants market will expand at a value CAGR of 3.4% over the forecast period, 2017-2026.
Further, rising demand for surfactant from industrial sector and ever increasing demand for apparels in textile industry, and rising demand for leather accessories such as shoes, wallets, purse, and belts are expected to increase the requirement for surfactants too.
Summary: Fact.MR's latest forecast study estimates that the global Surfactant Cleansers and Adjuvants Market will expand at a value CAGR of 3.4% over the forecast period, 2017-2026.
By type, the global surfactants market is classified into cationic surfactant, anionic surfactant, nonionic surfactant, amphoteric surfactant and others.