Definitions

1. noun

a chemical element (atomic number 41) that is a hard, silver-white transition metal; used in electronics and in the production of molybdenum

“The scientist studied the properties of columbium in her research paper.”

2. noun

a type of steel alloy that contains columbium

“The engineer recommended using columbium to strengthen the bridge’s structure.”

3. noun

a type of niobium alloy used in engineering applications

“The engineer specified that the part should be made from a columbium alloy to increase its strength.”