1. (noun) someone who travels into little known regions (especially for some scientific purpose)

• adventurer

2. (noun) a commercial browser

• ie
• internet explorer

1. (noun) someone who travels into little known regions (especially for some scientific purpose)

• conquistador
• diver
• frogman
• underwater diver
• navigator
• potholer
• spelaeologist
• speleologist
• spelunker

1. (noun) someone who travels into little known regions (especially for some scientific purpose)

• individual
• mortal
• person
• somebody
• someone
• soul

1. (noun) someone who travels into little known regions (especially for some scientific purpose)

• adventure
• dangerous undertaking
• escapade
• risky venture
• adventure
• chance
• gamble
• hazard
• risk
• run a risk
• take a chance
• take chances
• explore