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
Clearer disclosures, easier balance transfers, stronger competition among lenders, and pathways to refinancing all reduce costs without shrinking access.
—
J.d. Hayworth, Boston Herald, 24 Jan. 2026
The Park Service recommends that people not disturb, knock down or add to cairns, though some parks caution visitors not to rely on them as official pathways.
—Noah Lyons, San Diego Union-Tribune, 24 Jan. 2026
Plans for the subdivision include pickleball courts, a dog park and a series of public trails and pathways, including one for horseback riding, Yorgason said.
—Rose Evans
january 24, Idaho Statesman, 24 Jan. 2026
Antioxidant pathways are upregulated, which catalyze metabolic reactions that result in the suppression of damaging free radicals.
—Scott Travers, Forbes.com, 24 Jan. 2026
See All Example Sentences for pathway
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J.d. Hayworth, Boston Herald, 24 Jan. 2026
The Park Service recommends that people not disturb, knock down or add to cairns, though some parks caution visitors not to rely on them as official pathways.
—Noah Lyons, San Diego Union-Tribune, 24 Jan. 2026
Plans for the subdivision include pickleball courts, a dog park and a series of public trails and pathways, including one for horseback riding, Yorgason said.
—Rose Evans
january 24, Idaho Statesman, 24 Jan. 2026
Antioxidant pathways are upregulated, which catalyze metabolic reactions that result in the suppression of damaging free radicals.
—Scott Travers, Forbes.com, 24 Jan. 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 28 Jan. 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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