Com·plex, n. Assemblage of related things; collection; complication.
This parable of the wedding supper comprehends in it the whole complex of all the blessings and privileges exhibited by the gospel. --South.
Complex of lines Geom., all the possible straight lines in space being considered, the entire system of lines which satisfy a single relation constitute a complex; as, all the lines which meet a given curve make up a complex. The lines which satisfy two relations constitute a congruency of lines; as, the entire system of lines, each one of which meets two given surfaces, is a congruency.
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Con·gru·en·cy n. Congruence.
Congruency of lines. Geom. See Complex of lines, under Complex, n.
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