The persistent presence of pests, especially in large numbers.

infestation(P,,U,English-P,D,U,N)
infested(,U,English-NP,AD,U,N)
plaag(P,,U,Dutch-P,D,U,U)
plaga(P,,U,Spanish-P,D,U,U)
infestación(,U,Spanish-NP,AD,U,U)
群襲(P,,U,Chinese (traditional)-P,D,U,U)
大批出沒(,U,Chinese (traditional)-NP,UF,U,U)
侵擾(,U,Chinese (traditional)-NP,UF,U,U)
橫行(,U,Chinese (traditional)-NP,UF,U,U)
寄生感染(,U,Chinese (traditional)-NP,UF,U,U)
寄生蟲侵擾(,U,Chinese (traditional)-NP,UF,U,U)
出沒(,U,Chinese (traditional)-NP,UF,U,U)
害蟲橫行(,U,Chinese (traditional)-NP,UF,U,U)
害蟲侵擾(,U,Chinese (traditional)-NP,UF,U,U)
寄生蟲病害(,U,Chinese (traditional)-NP,UF,U,U)
ch'ün hsi(P,,U,Chinese (transliterated Wade-Giles)-P,UF,U,U)
qún xí(P,,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U,U)
qun xi(P,,U,Chinese (transliterated Pinyin without tones)-P,UF,U,U)

Top of the AAT hierarchies
....Associated Concepts Facet
........Associated Concepts
............<environmental concepts>
................infestation

thing(s) needing context are....

pest control

Dutch....	De voortdurende aanwezigheid van ongedierte, vooral in groten getale.
Spanish....	La presencia persistente de pestes, especialmente en grande números.
Chinese (traditional)....	指大量的寄生蟲侵擾。

infestation............	[VP]
.................	Art and Archaeology Technical Abstracts (1955-) Vol. 2, IND, several; and IND 23.
.................	Appelbaum, Guide to Environmental Protection of Collections (1991) 117
.................	Guldbeck, Care of Antiques (1985) 97
.................	NASA Thesaurus (1988)
.................	Webster's Third New International Dictionary (1961)
infested............	[VP]
.................	Art and Archaeology Technical Abstracts (1955-) Vol. 2, #1171
plaag............	[Bureau AAT]
.................	AAT-Ned (1994-)
plaga............	[CDBP-DIBAM]
.................	Nuevo Espasa Ilustrado 2000, Diccionario Enciclopédico (1999)
infestación............	[CDBP-DIBAM]
.................	Seoánez Calvo, El Gran Diccionario del Medio Ambiente y de la Contaminación (1996)
群襲............	[AS-Academia Sinica]
.................	國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 April 3, 2015
.................	經濟部智慧財產局－本國專利技術名詞中英對照查詢資料庫 April 3, 2015
.................	香港新浪字典 April 3, 2015
.................	Online Dictionary April 3, 2015
.................	線上英漢字典 April 3, 2015
.................	有道youdao詞典 April 3, 2015
大批出沒............	[AS-Academia Sinica]
.................	YAHOO!奇摩字典 April 3, 2015
.................	Online Dictionary April 3, 2015
.................	遠流字典通 April 24, 2015
侵擾............	[AS-Academia Sinica]
.................	YAHOO!奇摩字典 April 3, 2015
.................	Online Dictionary April 3, 2015
.................	有道youdao詞典 April 3, 2015
.................	遠流字典通 April 24, 2015
橫行............	[AS-Academia Sinica]
.................	香港新浪字典 April 3, 2015
.................	Online Dictionary April 3, 2015
.................	線上英漢字典 April 3, 2015
.................	遠流字典通 April 24, 2015
寄生感染............	[AS-Academia Sinica]
.................	經濟部智慧財產局－本國專利技術名詞中英對照查詢資料庫 April 3, 2015
寄生蟲侵擾............	[AS-Academia Sinica]
.................	YAHOO!奇摩字典 April 3, 2015
.................	Online Dictionary April 24, 2015
出沒............	[AS-Academia Sinica]
.................	香港新浪字典 April 3, 2015
.................	Online Dictionary April 3, 2015
.................	線上英漢字典 April 3, 2015
害蟲橫行............	[AS-Academia Sinica]
.................	有道youdao詞典 April 3, 2015
.................	LINE Dict 英漢詞典 April 3, 2015
害蟲侵擾............	[AS-Academia Sinica]
.................	行政院研究發展考核委員會－雙語詞彙資料庫 December 21, 2011
寄生蟲病害............	[AS-Academia Sinica]
.................	AAT-Taiwan 借詞編輯與使用原則 (2013)
Subject:............	[Bureau AAT]
.................	Van Dale hedendaags Nederlands (1994)

Getty AAT: 300226360 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300226360
ASDC Union Catalog： infestation 、infested 、plaag 、plaga 、infestación 、群襲 、大批出沒 、侵擾 、橫行 、寄生感染 、寄生蟲侵擾 、出沒 、害蟲橫行 、害蟲侵擾 、寄生蟲病害 、ch'ün hsi 、qún xí 、qun xi