becquerel

(Bq) [bek-ĕ-rel´]

the SI unit of radioactivity, defined as the quantity of a radionuclide that undergoes one decay per second; one curie equals 3.7 × 10¹⁰ becquerels.

Bec·que·rel

(bek-ă-rel'),

Antoine H., French physicist and Nobel laureate, 1852-1908. See: becquerel, Becquerel rays.

bec·que·rel (Bq),

(bek-ă-rel'),

The SI unit of measurement of radioactivity, equal to 1 disintegration per second; 1 Bq = 0.027 × 10^-9 Ci.

[A. H. Becquerel]

Farlex Partner Medical Dictionary © Farlex 2012

Becquerel

The International System (SI) unit for measuring radioactivity based on radioactive decay, equal to 1 disintegration (nuclear transition)/sec. Named after Antoine-Henri Becquerel, French Nobel Laureate, who discoverered of radioactivity.

1 Bq = 3.70 x 1010 Ci (Curie, which it supersedes)

bec·que·rel

(bek-ă-rel')

The SI unit of measurement of radioactivity, equal to 1 disintegration per second; 1 Bq = 0.027 × 10^-9 Ci.
See also: absorption

[A. H. Becquerel]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Becquerel

A unit of the strength of radioactivity from a particular source. A Becquerel is defined as one nuclear disintegration per second.

Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Becquerel,

Antoine H., French physicist and Nobel laureate, 1852-1908.

becquerel - the SI unit of measurement of radioactivity.

Becquerel rays - obsolete term for radiation given off by uranium and other radioactive substances.

Medical Eponyms © Farlex 2012

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References in periodicals archive

After Becquerel's discovery and the early work on uranium by the Curies in France and Rutherford in England, many related and significant break-throughs occurred rapidly and were to have far-reaching effects later on.

The discovery of radioactivity and its aftermath

Coun Renee Spector has been accused of turning her back on the sculpture, Becquerel's Tree, after planning permission was deferred Millennium Point, which is due to open next month

Perspective: Renee misses the point; Birmingham's politicians have a civic duty to take more care before rejecting works of public art, argues Terry Grimley

In the Becquerel crater, the 10-layer pattern is repeated at least 10 times.

Scientists find evidence of ancient climate change in Martian rocks

Jonathan Watkins, director of the Ikon Gallery, praised the work, saying Becquerel's Tree displayed a combination of nature and new technology which would be 'a very positive thing' for Millennium Point.

Growing to love Point's new pounds 200,000 tree of life; Catherine Rock, communications manager at Millennium Point with a model of the 60ft sculpture. Inset, Millennium PointPicture, JEREMY PARDOE

Her committee deferred a decision on the work, entitled Becquerel's Tree after the French scientist who discovered radioactivity.

Arts expert is amazed at refusal of 60ft millennium sculpture

According to the Tsuruga city government, the water contained 170,000 becquerel of radiation, about one-20th the amount a nuclear power plant operator is required to inform the government about.

8 sprayed with radioactive water at nuclear plant in Tsuruga

Some 230 cc of the coolant water which contained 550 becquerel (bq) of radiation leaked, they said, adding that there is no harmful effect on the environment with such an amount of radiation.

Radioactive water leaks at Ikata nuclear plant