exploitāˈtion /eks-/ noun

1. The use of industrial processes to acquire natural resources, such as the working of mines, etc
2. The setting-up and getting into production of an oilfield, mine, etc
3. The act of using for selfish purposes

exploitˈative or exploitˈive adjective

exploitˈer noun

exploitable girth noun

The minimum girth at breast height at or above which trees are considered suitable for felling or for other specified purpose