Spool of solder. 1.6 mm. Solder (/ËsoÊldÉr/, /ËsÉldÉr/ or in North America /ËsÉdÉr/) is a fusible metal alloy used to create a permanent bond between metal workpieces. The word solder comes from the Middle English word soudur, via Old French solduree and soulder, from the Latin solidare, meaning to make solid.
Columbia, MD Population and Races. As of 2010-2014, the total population of Columbia is 102,116, which is 15.71% more than it was in 2000. The population growth rate is higher than the state average rate of 11.16% and is higher than the national average rate of 11.61%.
With a net increase of 1,000 people, Washington County ranks first in Maryland for the largest total migration increase according to the U.S. Census Bureau 2007 Statistics. The population of the county is 147,430 and is projected to grow to 169,300 by 2020, according to the Maryland Department of Planning.