diagonal of the productdiagonal partial sumdiagonal pointdiagonal processdiagonal relationdiagonalizablediagonalizable linear transformationdiagonalizable linear transformationsdiagonalizable matrixdiagonalizable operatordiagonalizationdiagonalizediagonalizeddiagonalizing matrixdiagonally dominantdiagonally dominant matrixdiagonally dominant systemdiagonizable linear transformationdiagramdiagram of a functiondiagrammaticdiagrammaticallydialdial gagedial indictordial pressdialectical syllogismdiameterdiameter of a circlediameter of a conicdiameter of a set in a metric spacediameter of an ellipsediametraldiametral pitchdiametricaldiametricallydiametrically oppositediamonddiangonaldiaphragm gatedicedichotomicdichotomousdichotomous variabledichotomydicontinuitydicontinuous groupdictionary orderdictionary order topologydictum de omni et nullo