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
The deep sea may wind up full of these prosthetic habitats—ecosystems that function in some ways, but that remain diminished and hollow compared to their natural state.
—Jeffrey Marlow, New Yorker, 5 Apr. 2026
Having McKellen reprise Gandalf is a bit easier as the actor was made to look older than his 60 years when playing Gandalf, and his face was somewhat hidden under a long beard, wig and prosthetic nose.
—James Hibberd, HollywoodReporter, 3 Apr. 2026
Earlier this month, the organization hosted a seminar with special effects makeup artist Veniesa Dillon on sculpting techniques and prosthetic application.
—Nicole MacIas Garibay, Los Angeles Times, 2 Apr. 2026
Pic’s original score is by Emmy-winning composer Brandon Roberts with additional music by Snoop Dogg, and prosthetic makeup effects by Steve Newburn (Thanksgiving) and Oscar winner Adrien Morot (Thanksgiving, The Whale).
—Anthony D'alessandro, Deadline, 31 Mar. 2026
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Jeffrey Marlow, New Yorker, 5 Apr. 2026
Having McKellen reprise Gandalf is a bit easier as the actor was made to look older than his 60 years when playing Gandalf, and his face was somewhat hidden under a long beard, wig and prosthetic nose.
—James Hibberd, HollywoodReporter, 3 Apr. 2026
Earlier this month, the organization hosted a seminar with special effects makeup artist Veniesa Dillon on sculpting techniques and prosthetic application.
—Nicole MacIas Garibay, Los Angeles Times, 2 Apr. 2026
Pic’s original score is by Emmy-winning composer Brandon Roberts with additional music by Snoop Dogg, and prosthetic makeup effects by Steve Newburn (Thanksgiving) and Oscar winner Adrien Morot (Thanksgiving, The Whale).
—Anthony D'alessandro, Deadline, 31 Mar. 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 Apr. 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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