sexta-feira, 7 de dezembro de 2012

Palavra do dia

filter   Audio Pronunciation   /ˈfɪltɚ/   noun [count]
(filtro, purificador)
plural filters
1 a device that is used to remove something unwanted from a liquid or gas that passes through it • She smokes cigarettes withfilters. • a water filter

2 a device that prevents some kinds of light, sound, electronic noises, etc., from passing through • He placed a red filter on the camera lens. • digital filters that stop high-frequency sounds
3 computers software that prevents someone from looking at or receiving particular kinds of material through the Internet • a spamfilter [=a program that keeps you from seeing spam or unwanted e-mail]
Learn about filter as a verb.

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