pathway

[path-wey, pahth-]

noun

a path, course, route, or way.
Biochemistry. a sequence of reactions, usually controlled and catalyzed by enzymes, by which one organic substance is converted to another.

Nearby words

  1. pathomorphism,
  2. pathophysiology,
  3. pathos,
  4. pathosis,
  5. paths,
  6. patiala,
  7. patience,
  8. patient,
  9. patiently,
  10. patiki

Origin of pathway

First recorded in 1530–40; path + way1

Related formspath·wayed, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pathway


British Dictionary definitions for pathway

pathway

noun

another word for path (def. 1), path (def. 2)
a route to or way of access to; way of reaching or achieving something
courses taken by a student to gain entry to a higher course or towards a final qualification
biochem a chain of reactions associated with a particular metabolic process
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pathway

pathway

n.

1530s, from path + way (n.). An etymological tautology.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for pathway

pathway

[păthwā′]

n.

A course usually followed by a body part or process.
A chain of nerve fibers along which impulses normally travel.
A sequence of enzymatic or other reactions by which one biological material is converted to another.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for pathway

pathway

[păthwā′]

A chain of nerve fibers along which impulses normally travel.
A sequence of enzymatic or other reactions by which one biological material is converted to another.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.