diphasic

adjective

di·​pha·​sic (ˌ)dī-ˈfā-zik How to pronounce diphasic (audio)
: having two phases

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of diphasic was in 1881

Dictionary Entries Near diphasic

Cite this Entry

“Diphasic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diphasic. Accessed 18 Apr. 2024.

Medical Definition

diphasic

adjective
di·​pha·​sic (ˈ)dī-ˈfā-zik How to pronounce diphasic (audio)
: having two phases: as
a
: exhibiting a stage of stimulation followed by a stage of depression or vice versa
the diphasic action of certain drugs
b
: relating to or being a record of a nerve impulse that is negative and positive
a diphasic action potential
compare monophasic sense 1, polyphasic sense 1
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