nanobotnan‧o‧bot /ˈnænəʊbɒt $ -noʊbɑːt/ noun [countable] 
in stories and films about the future, a machine that can move and perform jobs, but which is so small that it cannot be seen unless you use special equipment such as a microscope
in stories and films about the future, a machine that can move and perform jobs, but which is so small that it cannot be seen unless you use special equipment such as a microscope- outlay
- outlet
- outlet mall
- outlet store
- outlet village
- outlier
- outline
- outlive
- outlook
- outlying
- outmanoeuvre
- outmoded
- outnumber
- out-of-body experience
- out-of-court settlement
- out-of-date
- out of doors
- out-of-pocket expenses
- out-of-state
- out-of-the-way
- out-of-town
- out of work
- outpace
- outpatient
- outperform