[ˌpʌɪəˈnɪə], (Noun)

Definitions:
- a person who is among the first to explore or settle a country or area, especially one of the first Europeans to colonize the western US

- a person who is among the first to research and develop a new area of knowledge or activity
(e.g: a famous pioneer of birth control)


Phrases:

Origin:
early 16th century (as a military term denoting a member of the infantry): from French pionnier ‘foot soldier, pioneer’, Old French paonier, from paon, from Latin pedo, pedon- (see pawn)

[ˌpʌɪəˈnɪə], (Verb)

Definitions:
- develop or be the first to use or apply (a new method, area of knowledge, or activity)
(e.g: the technique was pioneered by a Swiss doctor in the 1930s)

- open up (a road or terrain) as a pioneer


Phrases:

Origin:
early 16th century (as a military term denoting a member of the infantry): from French pionnier ‘foot soldier, pioneer’, Old French paonier, from paon, from Latin pedo, pedon- (see pawn)

[ˌpʌɪəˈnɪə], (Noun)

Definitions:
- a series of American space probes launched between 1958 and 1973, two of which provided the first clear pictures of Jupiter and Saturn (1973–9)


Phrases:

Origin: