trinitrationWiktionary 原文英美构词拆解tritri-前缀nitrationnitration词干tri-Three. · (chemistry) Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.词源说明From tri- + nitration.释义名词noun1(organic chemistry) Any nitration reaction in which three nitro groups are introduced into a compound.