reactance

noun

re·​ac·​tance rē-ˈak-tən(t)s How to pronounce reactance (audio)
: the part of the impedance of an alternating-current circuit that is due to capacitance or inductance or both and that is expressed in ohms

Example Sentences

Recent Examples on the Web Their active-variable reactance rectifier puts magnetic plates beneath the vehicle that are connected to a power line. Tim Newcomb, Popular Mechanics, 17 June 2022 One way to counter such reactance is by changing the communication strategy. S. Shyam Sundar, The Conversation, 14 Sep. 2021 Clever use of digital media can help convey strong health messages without triggering reactance. S. Shyam Sundar, The Conversation, 14 Sep. 2021 And now reactance is anti-vaccine garbage spreading everywhere. Kyle Whitmire, al, 12 Aug. 2021 And now reactance is anti-vaccine garbage spreading everywhere. Kyle Whitmire, al, 12 Aug. 2021 And now reactance is anti-vaccine garbage spreading everywhere. Kyle Whitmire, al, 12 Aug. 2021 Devised by Professor Jonah Berger and shared in The Catalyst: How to Change Anyone’s Mind, REDUCE is a framework for removing five key barriers to change: reactance, endowment, distance, uncertainty and corroborating evidence. Mark O’donnell, Forbes, 16 Sep. 2021 Since coronavirus arrived on our shores, reactance has spread faster than disease. Kyle Whitmire, al, 12 Aug. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reactance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

circa 1893, in the meaning defined above

Time Traveler
The first known use of reactance was circa 1893

Dictionary Entries Near reactance

Cite this Entry

“Reactance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reactance. Accessed 5 Dec. 2022.

Medical Definition

reactance

noun

re·​ac·​tance rē-ˈak-tən(t)s How to pronounce reactance (audio)
: the part of the impedance of an alternating-current circuit that is due to capacitance or inductance or both and that is expressed in ohms

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