"precondition" in the noun sense
1. condition, precondition, stipulation
an assumption on which rests the validity or effect of something else
2. given, presumption, precondition
an assumption that is taken for granted
3. precondition
a condition that is a prerequisite
"precondition" in the verb sense
1. precondition
put into the required condition beforehand
Source: WordNet® (An amazing lexical database of English)
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