Longman Dictionary of Contemporary English homepage

pioneer

2 verb
     
pioneer2 [transitive]
to be the first person to do, invent or use something:
The new cancer treatment was pioneered in the early eighties by Dr Sylvia Bannerjee.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary results for "pioneer"
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary