応

work sent to a competition; competition entry

nuclear fusion reaction

vital reaction

Organization name

Keio University

crisis response; emergency response

qualification requirement (for a job)

Chemistry

flame reaction; flame test; flame coloration test

immunoreaction

application form

Computing

auto-answer; automatic answering

problem handling; troubleshooting

compulsory; unavoidable; necessary

In science fiction

extremely powerful weapon (e.g. nuclear); reaction weapon

whether one likes it or not; whether willing or not; willy-nilly

rapid reaction force

willy-nilly; whether willing or not

Computing

practical technology

nuclear reactor

an ideal topography for the four Taoist gods, with a river in the east, a broad avenue in the west, a basin in the south, and a hill in the north

nuclear fission; fission reaction

applied chemistry

Computing

greeting

person unfit for society; misfit

thermonuclear reaction