| 释义 |
taggant in British English (ˈtæɡənt) noun1. electronics a microscopic material added to a substance to enable it to be tracked by radio frequency 2. chemistry a chemical marker used in various kinds of testing taggant in American English (ˈtæɡənt) nouna nonreactive substance added to an explosive that may be traced if the explosive is used for unlawful purposes Word origin [1990–95 ]This word is first recorded in the period 1990–95. Other words that entered Englishat around the same time include: Megan's Law, body double, family leave, molecular knife, uptalk |