pathway

American  

[path-wey, pahth-] / ˈpæθˌweɪ, ˈpɑθ- /

noun

1. a path, course, route, or way. ways.

2. Biochemistry. a sequence of reactions, usually controlled and catalyzed by enzymes, by which one organic substance is converted to another.

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pathway British  

/ ˈpɑːθˌweɪ /

noun

1. another word for path path

2. a route to or way of access to; way of reaching or achieving something

3. courses taken by a student to gain entry to a higher course or towards a final qualification

4. biochem a chain of reactions associated with a particular metabolic process

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pathway Scientific  

/ păth′wā′ /

1. A chain of nerve fibers along which impulses normally travel.

2. A sequence of enzymatic or other reactions by which one biological material is converted to another.

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Other Word Forms

• pathwayed adjective

Etymology

Origin of pathway

First recorded in 1530–40; path + way ¹

Example Sentences

Targeting this pathway could open new possibilities for treatment.

From Science Daily • Apr. 3, 2026

A Dowman does wonders when you have a pathway to sell.

From BBC • Apr. 2, 2026

This confirmed that the signaling pathway directly drives appetite changes.

From Science Daily • Mar. 28, 2026

Pichon said the action plan and a "fuel traceability model" were being proposed "as instruments to try to reach an agreement, a pathway to gain access to fuel."

From Barron's • Mar. 26, 2026

I know what I want to express, but the pathway between my mouth and brain might as well be stuffed with cotton.

From "Water for Elephants" by Sara Gruen

Related Words

• artery
• asphalt
• avenue
• boulevard
• byway
• expressway
• freeway
• highway
• lane
• parking lot
• path
• pavement
• route
• street
• subway
• superhighway
• terrace
• thoroughfare
• turnpike
• viaduct