Encyclopedia

beryllium

Also found in: Dictionary, Medical, Financial, Acronyms, Wikipedia.

beryllium

a corrosion-resistant toxic silvery-white metallic element that occurs chiefly in beryl and is used mainly in X-ray windows and in the manufacture of alloys. Symbol: Be; atomic no.: 4; atomic wt.: 9.012; valency: 2; relative density: 1.848; melting pt.: 1289°C; boiling pt.: 2472°C
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

beryllium

[bə′ril·ē·əm]
(chemistry)
A chemical element, symbol Be, atomic number 4, atomic weight 9.0122.
(metallurgy)
A rare metal, occurring naturally in combinations, with density about one-third of aluminum; used most commonly in the manufacture of beryllium-copper alloys which find numerous industrial and scientific applications.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in
References in periodicals archive
Prudence dictates limitation of further beryllium exposure in both ABD and CBD.
Protective and low emissivity coatings are often desirable for optical, structural and electronic applications for beryllium metal and aluminum beryllium composite products.
During World War II, the federal government entered into contracts with Brush's predecessor and other companies to provide beryllium to several government-run laboratories associated with the Manhattan Project.
Once the neutron beam reflects from the monochromator, it passes through 10 cm of 5 cooled beryllium to remove the [lambda]/2 component of the beam.
Occupational Safety and Health Administration (OSHA) is finding that a significant percentage of its inspectors have become sensitized by exposure to beryllium, an extremely toxic metal that can cause an often-fatal lung disease, according to a report in the Chicago Tribune.
Upon further investigation, he discovered a 3/8-inch bolt lodged behind the lower drag brace beryllium stop block.
The NIST experiments used laser beam manipulations to transfer quantum states of one beryllium atom to another beryllium atom with a 78 percent success rate.
She adds that cell phones' circuit boards contain toxins, such as arsenic, beryllium and lead, that can potentially be released into the air and groundwater when burned in incinerators or disposed of in landfills.
After researching the alternatives, we decided to purchase copper and beryllium tools.
This element, a member of the beryllium family (group), glows when viewed under ultraviolet (UV) light, also known as "black-light." Certain rocks, in which the mystery element is combined with other elements like manganese or zinc, look like nothing special in natural sunlight.
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.