interfacial

adjective

in·​ter·​facial "+ How to pronounce interfacial (audio)
1
: included between two plane surfaces or faces
an interfacial angle
2
[interface + -ial] : relating to or situated at an interface
interfacial layer
interfacial strength of felt

Word History

Etymology

inter- + face + -ial

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Cite this Entry

“Interfacial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interfacial. Accessed 17 Dec. 2025.

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