More info | Plus d'info. | Mais info
FishBase
System Glossary
 Glossary Search for attenuation (Search Options)

Definition of Term

attenuation
(english) (1) The reduction in sound or light intensity caused by the absorption and scattering of sound or light energy in air or water. (2) Any procedure in which the virulence of a given (live) pathogen for a particular host species is reduced or abolished without altering its immuno-genicity; attenuation may be achieved by serial passage and may be used to prepare vaccines. (3) A reduction in the virulence of a pathogen under natural conditions. (See also: acoustics, attenuated, attenuated vaccine)
atténuation
(french) La réduction de son ou d’intensité de la lumière due à l'absorption et éparpillement de son ou d’énergie de la lumière dans l'air ou dans l'eau. (See also: acoustics, attenuated, attenuated vaccine)
atenuação
(portuguese) Redução da intensidade do som ou da luz devida à absorção ou refracção da energia sonora ou luminosa pelo ar ou pela água. (See also: acoustics, attenuated, attenuated vaccine)

Other Search Engines

European Environment Agency Glossary of the European Environmental Agency
Wikipedia The Free Encyclopedia
Encyclopedia Britannica Highly authoritative source
EPA Terms Glossary of the U.S. Environmental Protection Agency
Google Search The largest Internet Search Engine
Google Image Search for Images related to the term
eENVplus Thesaurus Thesaurus gathering glossaries for biodiversity, environment and biogeography
A-Z Biodiversity Terms Glossary providing definitions of terms, areas and acronyms related to biodiversity, commonly used, internationally recognized where possible, well referenced, and derived from legitimate sources
Glossary Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Search
Update Glossary Entry | Add Glossary Entry
Back to Top