1
: of, relating to, or having the form of a segment and especially the sector of a circle
segmental fanlight
2
: of, relating to, or composed of somites or metameres : metameric
3
a
: divided into segments
segmental knowledge
c
: resulting from segmentation

Examples of segmental in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Dine had been diagnosed with a type of kidney disease called focal segmental glomerulosclerosis, or FSGS, in 1984. Courtland Milloy, Washington Post, 17 Oct. 2023 Vertex’s pipeline also includes promising therapies targeting rare diseases such as sickle cell disease, beta thalassemia and focal segmental glomerulosclerosis; several of these programs have important data readouts on the way by the end of next year. Dallas News, 13 Dec. 2020

Word History

First Known Use

1816, in the meaning defined at sense 1

Time Traveler
The first known use of segmental was in 1816

Dictionary Entries Near segmental

Cite this Entry

“Segmental.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/segmental. Accessed 25 Feb. 2025.

Medical Definition

segmental

adjective
1
a
: of, relating to, or having the form of a segment
b
: situated in, affecting, or performed on a segment
a segmental pancreas transplant using only the lower third of the organ
segmental versus total mastectomy
2
: of, relating to, or composed of somites or metameres : metameric
3
: divided into segments
4
: resulting from segmentation

More from Merriam-Webster on segmental

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