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groundbreaker

[ground-brey-ker] /ˈgraʊndˌbreɪ kər/
noun
1.
a person who is an originator, innovator, or pioneer in a particular activity.
2.
an original idea, product, or the like that leads to or makes possible further developments, growth, improvements, etc.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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