Top definition
A silvery element, at. no. 43, symbol Tc, that does not appear to occur in the Earth's crust at all due to its radioactivity. It is the lightest radioactive element and is produced by deuteron bombardment of molybdenum.
Technetium is one of the most powerfull preventatives of rust.
by eszett May 15, 2003
Get the mug
Get a technetium mug for your fish Callisto.
buy the domain for your travel vlog