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pioneer

[pahy-uh-neer] /ˌpaɪ əˈnɪər/
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, relating to, or characteristic of pioneers:
pioneer justice.
13.
being a pioneer:
a pioneer fur trader.
Origin
1515-1525
1515-25; < Middle French pionier, Old French peonier foot soldier. See peon, -eer
Related forms
unpioneering, adjective
Synonyms
2. leader, trailblazer, forerunner, pathfinder.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un pioneering

pioneer

/ˌpaɪəˈnɪə/
noun
1.
  1. a colonist, explorer, or settler of a new land, region, etc
  2. (as modifier): a pioneer wagon
2.
an innovator or developer of something new
3.
(military) a member of an infantry group that digs entrenchments, makes roads, etc
4.
(ecology) the first species of plant or animal to colonize an area of bare ground
verb
5.
to be a pioneer (in or of)
6.
(transitive) to initiate, prepare, or open up: to pioneer a medical programme
Word Origin
C16: from Old French paonier infantryman, from paonpawn²; see also peon1

Pioneer1

/ˌpaɪəˈnɪə/
noun
1.
a total abstainer from alcoholic drink, esp a member of the Pioneer Total Abstinence Association, a society devoted to abstention

Pioneer2

/ˌpaɪəˈnɪə/
noun
1.
any of a series of US spacecraft that studied the solar system, esp Pioneer 10, which made the first flyby of Jupiter (1973), and Pioneer 11, which made the first flyby of Saturn (1979)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for un pioneering

pioneer

n.

1520s, "foot soldier who prepares the way for the army," from Middle French pionnier "foot-soldier, pioneer," from Old French paonier "foot-soldier" (11c.), from peon (see pawn (n.2)). Figurative sense of "person who goes first or does something first" is from c.1600. Related: Pioneers.

v.

1780, from pioneer (n.). Related: Pioneered; pioneering.

Online Etymology Dictionary, © 2010 Douglas Harper
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