multitasking - definition and synonyms

noun [uncountable] 

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/ˌmʌltiˈtɑːskɪŋ/
  1. 1
    computing the ability of a computer to do several different things at the same time
  2. 2
    the activity of doing more than one thing at the same time, such as talking on the phone while you are working on a computer

derived word

multi-task

verb [intransitive]
present tense
I/you/we/theymulti-task
he/she/itmulti-tasks
present participlemulti-tasking
past tensemulti-tasked
past participlemulti-tasked