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Definition of pioneering - 2 dictionary results
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pi⋅o⋅neer

  [pahy-uh-neer]
Use pioneering in a Sentence
–noun
1. a person who is among those who first enter or settle a region, thus opening it for occupation and development by others.
2. one who is first or among the earliest in any field of inquiry, enterprise, or progress: pioneers in cancer research.
3. one of a group of foot soldiers detailed to make roads, dig intrenchments, etc., in advance of the main body.
4. Ecology. an organism that successfully establishes itself in a barren area, thus starting an ecological cycle of life.
5. (initial capital letter) Aerospace. one of a series of U.S. space probes that explored the solar system and transmitted scientific information to earth.
6. (initial capital letter) (formerly) a member of a Communist organization in the Soviet Union for children ranging in age from 10 to 16. Compare Komsomol, Octobrist.
–verb (used without object)
7. to act as a pioneer.
–verb (used with object)
8. to be the first to open or prepare (a way, settlement, etc.).
9. to take part in the beginnings of; initiate: to pioneer an aid program.
10. to lead the way for (a group); guide.
–adjective
11. being the earliest, original, first of a particular kind, etc.: a pioneer method of adult education.
12. of, pertaining to, or characteristic of pioneers: pioneer justice.
13. being a pioneer: a pioneer fur trader.
Origin:
1515–25; < MF pionier, OF peonier foot soldier. See peon, -eer

Synonyms:
2. leader, trailblazer, forerunner, pathfinder.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To pioneering
pi·o·neer   (pī'ə-nîr')   
n.  
  1. One who ventures into unknown or unclaimed territory to settle.
  2. One who opens up new areas of thought, research, or development: a pioneer in aviation.
  3. A soldier who performs construction and demolition work in the field to facilitate troop movements.
  4. Ecology An animal or plant species that establishes itself in a previously barren environment.
adj.  
  1. Of, relating to, or characteristic of early settlers: the pioneer spirit.
  2. Leading the way; trailblazing: a pioneer treatment for cancer.
v.   pi·o·neered, pi·o·neer·ing, pi·o·neers

v.   tr.
    1. To open up (an area) or prepare (a way): rockets that pioneered outer space.
    2. To settle (a region).
  2. To initiate or participate in the development of: surgeons who pioneered organ transplants.
v.   intr.
To act as a pioneer: pioneered in development of the laser.

[French pionnier, from Old French peonier, foot soldier, from peon, from Medieval Latin pedō, pedōn-, from Late Latin, one who has broad feet, from Latin pēs, ped-, foot; see ped- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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