matrix group

axial sensitivity barber's interdigital hair sinus braggadoccio busy contact dynamo electric relay gasconade graphec(h)on Grotte di Castro inter-stellar long-dreamed-of micro-opaque microdeletion n-adic Boolean operation near-infrared spectrophotometry ophthalmoneuritis oxygenmeter ptigmatic(ptygmatic)folding strata internum touch tone dialing track and hold