prosthetic
adjective
pros·thet·ic
präs-ˈthe-tik 
1
: of, relating to, or being a prosthesis
a prosthetic limb
prosthetic devices
These researchers will develop ways to connect prostheses more soundly to the bone, coordinate brain signals with prosthetic movement, and create properly rotating artificial joints.—
Sheela Raman
Sheela RamanSimilar prevention is recommended if you have leaky, prolapsed, or prosthetic heart valves.—Consumer Reports
Consumer Reports2
: of, relating to, or constituting a nonprotein group of a conjugated protein
covalently bound prosthetic groups
a heme prosthetic group
Examples of prosthetic in a Sentence
Recent Examples on the Web
An off-duty officer spotted suspicious behavior that led TSA to discover a knife concealed inside a prosthetic leg at airport security.
—
Kathleen Wong,
USA Today,
2 July 2026
Gribbin was fitted with prosthetic limbs, quickly regained her ability to walk, returned to sports and got her driver’s license.
—
Kim Chandler,
Los Angeles Times,
2 July 2026
Instead, George McFly was played by a relatively unknown actor who wore prosthetic makeup made to resemble Glover.
—
Brianna Zigler,
Entertainment Weekly,
1 July 2026
To play that part is brilliant, and to work with [prosthetic designer] Mike Marino and do that whole thing with the makeup is amazing.
—
Brian Davids,
HollywoodReporter,
27 June 2026
See All Example Sentences for prosthetic
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Kathleen Wong,
USA Today,
2 July 2026
Gribbin was fitted with prosthetic limbs, quickly regained her ability to walk, returned to sports and got her driver’s license.
—
Kim Chandler,
Los Angeles Times,
2 July 2026
Instead, George McFly was played by a relatively unknown actor who wore prosthetic makeup made to resemble Glover.
—
Brianna Zigler,
Entertainment Weekly,
1 July 2026
To play that part is brilliant, and to work with [prosthetic designer] Mike Marino and do that whole thing with the makeup is amazing.
—
Brian Davids,
HollywoodReporter,
27 June 2026
See All Example Sentences for prosthetic
Cite this Entry
“Prosthetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prosthetic. Accessed 5 Jul. 2026.
Copy CitationMedical Definition
prosthetic
adjective
pros·thet·ic
präs-ˈthet-ik
1
: of, relating to, or being a prosthesis
a prosthetic device
prosthetic limbs
2
: of, relating to, or constituting a nonprotein group of a conjugated protein
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