multitask

[muhl-tee-task, -tahsk, muhl-tahy-] /ˈmʌl tiˌtæsk, -ˌtɑsk, ˈmʌl taɪ-/
verb (used without object)
1.
Computers. (of a single CPU) to execute two or more jobs concurrently.
2.
(of one person) to perform two or more tasks simultaneously.
Origin
1960-65; multi-+ task
Related forms
multitasker, noun
multitasking, multi-tasking, noun
British Dictionary definitions for multitask

multitask

/ˈmʌltɪˌtɑːsk/
verb (intransitive)
1.
to work at several different tasks simultaneously