plural of dual space

(mobile telephony) holding two SIM cards

plural of dual citizen

A citizen of two countries; a person with dual citizenship.

A form of federalism in which power is clearly divided between the federal and state governments.

(grammar) A grammatical number denoting a quantity of exactly two.

(computing) Having two operating systems available, such that either of them can be selected each time the computer is booted.

capable of operating on two frequency ranges

(grammar) A noun (or specific sense of a noun) that can only occur in the dual, and which lacks forms for singular, plural, and any other number.

(UK) A road in which the two directions of traffic are separated by a central barrier or strip of land, known as a central reservation or median.