A surname from German.

Of or relating to Johann Eck (1486–1543), German Scholastic theologian and defender of Catholicism during the Protestant Reformation.

plural of Eckardt point

(geometry) A point of intersection of three lines on a cubic surface.

A theorem of representation theory and quantum mechanics, stating that matrix elements of spherical tensor operators on the basis of angular momentum eigenstates can be expressed as the product of two factors, one of which is independent of angular momentum orientation, and the other a Clebsch-Gordan coefficient.

(slang) Alternative form of ecky (the drug ecstasy)

plural of eckle

present participle of eckle

simple past tense and past participle of eckle

A surname from German.