To manage people at such a fine grained level, so as to try and control their every specific action.
"Great, an email from Lumbergh, telling me how to update the project status. I can't believe he's nanomanaging this project like this."
by WhyWhyZed August 18, 2005
1 more definition
an intensifier of micromanage
"Is there any other part of this process you'd like to nanomanage?"
by Treborsca January 12, 2008