activation

ac*ti*vate

verb

{bc}to make {a_link|active} or more active: such as

{bc}to make (something, such as a molecule) reactive or more reactive

{bc}to convert (something, such as a provitamin) into a biologically active derivative

activation analysis

noun

{bc}{sx|neutron activation analysis||}

activation energy

noun

{bc}the minimum amount of energy required to convert a normal stable molecule into a reactive molecule

neutron activation analysis

noun

{bc}an analytical method used to determine the chemical elements comprising a material by bombarding it with neutrons to produce radioactive atoms whose emissions are indicative of the elements present