Pioneer Definition–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 Sovie
137e
t Union for children ranging in age from 10 to 16. Compare Komsomol, Octobrist. | –verb (used without object) –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. | |
From Dictionary
Speaker Definition–noun | 2. | a person who speaks formally before an audience; lecturer; orator. | | 3. | (usually initial capital letter) the presiding officer of the U.S. House of Representatives, the British House of Commons, or other such legislative assembly. | | 4. | Also called loudspeaker. an electroacoustic device, often housed in a cabinet, that is connected as a component in an audio system, its function being to make speech or music audible. | | 5. | a book of selections for practice in declamation. | —Idiom | 6. | be or not be on speakers, British. speaking (defs. 9, 10). | |
From Dictionary
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