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


symbol for the element bohriumbohrium
, artificially produced radioactive chemical element; symbol Bh; at. no. 107; mass number of most stable isotope 270; m.p., b.p., sp. gr., and valence unknown. Situated in Group 7 of the periodic table, it is expected to have properties similar to those of the rare metal
..... Click the link for more information.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved.

Brinell hardness

Brinell hardness tester
A measure of resistance of a material to indentation; obtained by use of a machine which presses a standard hard steel or carbide ball into the material, under standard loading conditions; expressed by the Brinell hardness number—the higher the number, the harder the material.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


The country code for Bahrain.
This article is provided by FOLDOC - Free Online Dictionary of Computing (