pioneer

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pi·o·neer / ˌpīəˈnir/ • n. a person who is among the first to explore or settle a new country or area. ∎  a person who is among the first to research and develop a new area of knowledge or activity: a famous pioneer of birth control. ∎  (in the former USSR and other communist countries) a member of a movement for children below the age of sixteen that aimed to foster communist ideals. ∎  a member of an infantry group preparing roads or terrain for the main body of troops. ∎  (also pioneer species) a plant or animal that establishes itself in an unoccupied area. • v. [tr.] develop or be the first to use or apply (a new method, area of knowledge, or activity): he has pioneered a number of innovative techniques. ∎  open up (a road or terrain) as a pioneer.

Pioneer

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Pioneer A series of NASA spacecraft that conducted explorations of the solar system. Pioneer 10, launched on 2 March 1972, was the first spacecraft to leave the solar system, in 1987. Pioneer 11 was launched on 5 April 1973, for Saturn. Pioneer Venus, launched in 1978 to Venus, comprised an orbiter and probes sent to the surface.

pioneer

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pioneer a person who is among the first to explore or settle a new country or area. Recorded from the early 16th century (as a military term denoting a member of the infantry), the word comes ultimately (via French) from Latin pedo, the same base as pawn.

Pioneer is the name of a series of American space probes launched between 1958 and 1973, two of which provided the first clear pictures of Jupiter and Saturn (1973–79).

pioneer

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pioneer soldier going in advance of an army to prepare the way XVI; first or original investigator, etc. XVII. orig. pion(n)er — F. pionnier, OF. paonier, peon(n)ier, f. paon, peon (see PAWN1); the suffix later assim. to -EER1.

Pioneer

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Pi·o·neer / ˌpīəˈnir/ a series of American space probes launched between 1958 and 1973, two of which provided the first clear pictures of Jupiter and Saturn (1973–79).

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