Cold fusion generally refers to a fringe research area, sometimes outright scientific fraud. Basing speculation on it moves you into space opera territory. http

Cold fusion generally refers to a fringe research area, sometimes outright scientific fraud. Basing speculation on it moves you into space opera territory. https://en.wikipedia.org/wiki/Cold_fusion https://en.wikipedia.org/wiki/Cold_fusion What you're referring to is simply... practically useful fusion (beyond commercial breakeven). Which is obvious from the context and does not require an extra qualifier. The same way as fission isn't referred to "controlled chain reaction fission" in casual conversation.