13-Letter Words Containing U,P,S,T,O,O,D

• Any product of a photochemical reaction.

• an ancient writing system: having alternate lines written in opposite directions; literally `as the ox ploughs'

• A production in which two or more companies work together and share any profits

• brought into equipoise by means of a weight or force that offsets another

• the condition of having reduced numbers of inhabitants (or no inhabitants at all)

• the process of generating offspring

• recall that is hypothesized to work by storing the original stimulus input and reproducing it during recall

• copy that is not the original; something that has been copied

• the act of making copies

• the sexual activity of conceiving and bearing offspring