pathway

[path-wey, pahth-]
noun
1.
a path, course, route, or way.
2.
Biochemistry. a sequence of reactions, usually controlled and catalyzed by enzymes, by which one organic substance is converted to another.

Origin:
1530–40; path + way1

pathwayed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
pathway (ˈpɑːθˌweɪ)
 
n
1.  path another word for 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

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

pathway path·way (pāth'wā')
n.

  1. A course usually followed by a body part or process.

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

  3. 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.
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American Heritage
Science Dictionary
pathway   (pāth'wā')  Pronunciation Key 
  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.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
What a beautiful transformation of a boring side area into a handsome garden
  pathway and area.
When people play action games, they're changing the brain's pathway responsible
  for visual processing.
There is no pre-determined evolutionary pathway or trajectory.
Important connections between the cerebrum and the olive of the same side exist
  but the exact pathway is unknown.
Image for pathway
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