explorāˈtion /eks-/ noun

1. The act of searching or searching for (something) thoroughly
2. Travel for the sake of discovery
3. Examination of a region's geology, etc in a search for mineral resources

explorāˈtional adjective

explorāˈtionist noun

A scientist engaged in mineral exploration

explorˈative or explorˈatory /-orˈ/ adjective

1. Serving to explore or investigate
2. Searching out

explorˈer noun

1. A person who explores, esp a member of a geological, etc exploration
2. (with cap) any of the first series of US satellites

explorˈing adjective