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attenuate

[ verb uh-ten-yoo-eyt; adjective uh-ten-yoo-it, -eyt ]
/ verb 蓹藞t蓻n yu藢e瑟t; adjective 蓹藞t蓻n yu 瑟t, -藢e瑟t /
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Definition of attenuate

verb (used with object), at路ten路u路at路ed, at路ten路u路at路ing.
verb (used without object), at路ten路u路at路ed, at路ten路u路at路ing.
to become thin, fine, or weak; lessen: Over the years, my anger at my family attenuated and I was able to acknowledge the strengths they had given me.
adjective
weakened; diminishing.
Botany. tapering gradually to a narrow extremity.
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鈥淲as鈥 is used for the indicative past tense of 鈥渢o be,鈥 and 鈥渨ere鈥 is only used for the subjunctive past tense.

Origin of attenuate

First recorded in 1520鈥30; from Latin attenu膩tus (past participle of attenu膩re 鈥渢o make thin, reduce鈥); see at-, tenuis, -ate1

OTHER WORDS FROM attenuate

o路ver路at路ten路u路ate, verb (used with object), o路ver路at路ten路u路at路ed, o路ver路at路ten路u路at路ing.sub路at路ten路u路ate, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use attenuate in a sentence

British Dictionary definitions for attenuate

attenuate

verb (蓹藞t蓻nj蕣藢e瑟t)
to weaken or become weak; reduce in size, strength, density, or value
to make or become thin or fine; extend
(tr) to make (a pathogenic bacterium, virus, etc) less virulent, as by culture in special media or exposure to heat
adjective (蓹藞t蓻nj蕣瑟t, -藢e瑟t)
diluted, weakened, slender, or reduced
botany tapering gradually to a point

Word Origin for attenuate

C16: from Latin attenu膩re to weaken, from tenuis thin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for attenuate

attenuate
[ 蓹-t臅ny艒艒-膩t鈥 ]

v.
To reduce in force, value, amount, or degree; weaken; diminish.
To make bacteria or viruses less virulent.
adj.
Reduced or weakened, as in strength, value, or virulence.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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