forcing UK /ˈfɔː(ɹ).sɪŋ/US /ˈfɔɹ.sɪŋ/noun 5adjective 1forms 1 noun5 •The act by which someone or something is forced. •The net flux of energy in or out of a system; the net change in an energy balance.orbital / astronomical forcing (effect on climate of slow changes in the tilt of Earth's axis and shape of its orbit) •The art of raising plants at an earlier season than is normal, especially by using a hotbed •A technique used to prove the consistency of certain axioms in set theory. See forcing (mathematics). •An extension in the development time of an underexposed negative in order to bring out detail adjective1 •Pertaining to a bid which requires partner to continue bidding rather than pass. formsforcings