2
: a line of communication over interconnecting neurons extending from one organ or center to another
also
: a network of interconnecting neurons along which a nerve impulse travels
3
: the sequence of usually enzyme-catalyzed reactions by which one substance is converted into another
metabolic pathways
Examples of pathway in a Sentence
We walked along a winding pathway.
we parked our car near a rambling pathway that led down to the pond
Recent Examples on the Web
The delicate structure of a gill, or the faint tracing of a nerve pathway — features that existed in living animals more than half a billion years ago — preserved with enough clarity for scientists to study them today.
—
Hanna Wickes, Charlotte Observer, 27 Feb. 2026
The main pathways leading to the metabolic issues associated with OSA are sleep fragmentation and repetitive drops in oxygen levels during sleep.
—Valerie Cacho, Verywell Health, 27 Feb. 2026
His 3-point shooting has been inconsistent, and his perimeter defense remains a developmental area, but his ability to affect games without needing plays called for him gives him a potential pathway to a niche role.
—C.j. Holmes, New York Daily News, 27 Feb. 2026
This outcome demonstrated the first realistic pathway toward ecological mosquito suppression using gene drives.
—Srishti Gupta, Interesting Engineering, 27 Feb. 2026
See All Example Sentences for pathway
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Hanna Wickes, Charlotte Observer, 27 Feb. 2026
The main pathways leading to the metabolic issues associated with OSA are sleep fragmentation and repetitive drops in oxygen levels during sleep.
—Valerie Cacho, Verywell Health, 27 Feb. 2026
His 3-point shooting has been inconsistent, and his perimeter defense remains a developmental area, but his ability to affect games without needing plays called for him gives him a potential pathway to a niche role.
—C.j. Holmes, New York Daily News, 27 Feb. 2026
This outcome demonstrated the first realistic pathway toward ecological mosquito suppression using gene drives.
—Srishti Gupta, Interesting Engineering, 27 Feb. 2026
See All Example Sentences for pathway
Cite this Entry
“Pathway.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathway. Accessed 2 Mar. 2026.
Copy CitationMedical Definition
pathway
noun
path·way
ˈpath-ˌwā, ˈpȧth- 
1
: a line of communication over interconnecting neurons extending from one organ or center to another
also
: a network of interconnecting neurons along which a nerve impulse travels
2
: the sequence of usually enzyme-catalyzed reactions by which one substance is converted into another
metabolic pathways
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