A call between more than two people; teleconference.

(grammar) ʾiʿrāb: a number of nominal, adjectival, and verbal inflectional endings, which are an integral part of Qur'anic and Classical Arabic, although they are generally not written and not pron...

(set theory, order theory) A total order of some set such that every nonempty subset contains a least element.

(physics) thermodynamics in the presence of a magnetic field