n.
Pronunciation: ' d ī - ˌ ad, - ə d
Function: noun
Etymology: Late Latin dyad-, dyas, from Greek, from dyo
Date: 1675
1 : PAIR specifically : two individuals (as husband and wife) maintaining a sociologically significant relationship
2 : a meiotic chromosome after separation of the two homologous members of a tetrad
3 : a mathematical operator indicated by writing the symbols of two vectors without a dot or cross between (as AB)
– dy · ad · ic \ d ī - ' a-dik \ adjective
– dy · ad · i · cal · ly \ -di-k( ə -)l ē \ adverb