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congression

noun con·gres·sion \ kənˈgreshən \
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Definition of congression

plural -s
: the act or action of coming together (as into assembly, combat, coition); specifically : the coming together of the chromosomes of a dividing cell to form the metaphase plate

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Origin and Etymology of congression

Latin congression-, congressio, from congressus (past participle of congredi) + -ion-, -io -ion

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