vacuum

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vacuum

 [vak´u-um]
a space devoid of air or other gas.

vac·uum

(vak'yūm),
An empty space, one practically exhausted of air or gas.
[L. ntr. of vacuus, empty]

vacuum

/vac·u·um/ (vak´ūm) [L.] a space devoid of air or of other gas; a space from which the air has been exhausted.

vac·u·um

(vak'yūm)
An empty space, one practically exhausted of air or gas.
[L. ntr. of vacuus, empty]

vac·u·um

(vak'yūm)
An empty space, one practically exhausted of air or gas.
[L. ntr. of vacuus, empty]

vacuum,

vacuum

a space devoid of air or other gas.

vacuum collection
use of a handheld vacuum to recover ectoparasites from the coat of animals.
vacuum-dehydrated
freed of moisture while in a vacuum. Used in the packaging of food.
vacuum gauge
pressure gauge in a milking machine which indicates the level of vacuum in the system.
vacuum pack
meat or other perishable food is packed in a tightly sealed bag made of copolymers with polyvinyldene chloride and a low vacuum created. A bag made of nylon-polythene laminate is used for bags that are heat-sealed and a high vacuum created. The pack is then frozen for storage or shipment.
vacuum pressure
used as the basis of the modern milking machine; the negative pressure is generated by a vacuum pump and transmitted through metal and rubber pipes to the teat cups and thence to the teats; the continuous basic pressure is what keeps the teat cups on the teats; the periodic fluctuations is what causes the squeezing of the teat walls and the expulsion of the milk from the teats.
vacuum therapy
see cupping.
vacuum tube
many clinical pathology specimens are now collected in evacuated test tubes. A needle connected to the tube through a rubber stopper is passed into a vein. The needle is then connected to the vacuum and the blood or other fluid withdrawn.
References in periodicals archive ?
Especialidade Mecanismo de Gestao de Uso e Vantagem Reuso da Agua Agua pluvial Reaproveitamento da agua Economia de agua pluvial na irrigacao Agua fria Torneiras e valvulas com Economia < 70% acionamento automatico Agua fria Arejadores articulados nas Fluxo de agua uniforme torneiras das copas Agua quente Aquecimento solar da agua de Economia energetica chuveiros Esgoto Sanitarios equipados com Economia > 80% esgoto a vacuo Fonte: Adaptado de Oscar Niemeyer Arquitetura e Urbanismo Ltda (2011).
The resultant hypercrosslinked beads were filtered, washed successively with water, methanol, and diethyl ether, and then dried in vacuo at 50[degrees]C for 24 h.
2008) demostraram que a aplicacao de cloreto de calcio a vacuo na pos-colheita do mamao 'Eksotica II' reduziu significativamente a PMF dos frutos, que foi justificada pela maior dificuldade de saida de agua quando as paredes e membranas celulares estao mais integras, o que e favorecido pelo calcio.
Obviamente, a fragmentacao paradigmatica do campo de administracao, acompanhado pelo vacuo epistemologico que lhe e inerente, tambem, e influenciada por outras dinamicas, entre as quais, destacamos a transformacao do proprio objeto de analise e os aspectos materiais do campo.
Em termos de gestao das metropoles no Brasil fala-se, insistentemente, de um vacuo.
Enquanto a embalagem de espessura de 80[micro]m foi utilizada por permitir a manutencao do vacuo no seu interior, devido a menor taxa de permeabilidade de gases.
O objetivo foi avaliar o efeito da aplicacao de vacuo no desempenho de diferentes modelos de gotejadores sob duas condicoes de textura de solo e posicionados de modo subsuperficial.
Ventricular differences between hydrostatic hydrocephalus and hydrocephalus ex vacuo by computed tomography.
The product was filtered off and washed with ethanol and dried in vacuo over calcium chloride.