Definition that contains pen up
- pioneer someone who helps to open up a new line of research or technology or art
- pioneer open up and explore a new area
- pioneer open up an area or prepare a way
- innovator someone who helps to open up a new line of research or technology or art
- trailblazer someone who helps to open up a new line of research or technology or art
- open up open up an area or prepare a way
- radiigera fuscogleba a fungus similar to an earthstar except that it does not open up; the spore mass is brown at maturity with a column of sterile tissue extending up into it
- groundbreaker someone who helps to open up a new line of research or technology or art