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
Fighting altitude sickness, sunburn, rain and hail, Cai and his fireworks team spent more than a week setting up the explosion trails — aided by drones that ran uphill 600-plus times, waterproof firework pots were placed at various points along the 3,000-meter pathway.
—
Denni Hu, Footwear News, 21 Sep. 2025
The suburb’s alleys create the perfect transmission pathway, with no cross-ventilation, open drains clogged with garbage, and families of six huddled in single rooms.
—CNN Money, 21 Sep. 2025
In Australia, Netflix is launching Lumina, a program providing neurodiverse individuals with pathways into the visual effects industry through partnership with Bus Stop Films.
—Naman Ramachandran, Variety, 20 Sep. 2025
Producing pigment is metabolically costly, so when the selective pressure of sunlight disappears, fungi that disable the pathway save energy and gain a growth advantage.
—New Atlas, 20 Sep. 2025
See All Example Sentences for pathway
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Denni Hu, Footwear News, 21 Sep. 2025
The suburb’s alleys create the perfect transmission pathway, with no cross-ventilation, open drains clogged with garbage, and families of six huddled in single rooms.
—CNN Money, 21 Sep. 2025
In Australia, Netflix is launching Lumina, a program providing neurodiverse individuals with pathways into the visual effects industry through partnership with Bus Stop Films.
—Naman Ramachandran, Variety, 20 Sep. 2025
Producing pigment is metabolically costly, so when the selective pressure of sunlight disappears, fungi that disable the pathway save energy and gain a growth advantage.
—New Atlas, 20 Sep. 2025
See All Example Sentences for pathway
Cite this Entry
“Pathway.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathway. Accessed 26 Sep. 2025.
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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