nul·li·ty 
(nŭlĭ-tē)
(nŭlĭ-tē)n. pl. nul·li·ties
1. The state or quality of being null.
2. Something that is null, especially an act having no legal validity.
- microphyte
- microphytic
- micropipette
- microplankton
- micropolis
- micropolitan
- microprint
- microprocessor
- microprogramming
- micropropagation
- micropublisher
- micropublishing
- micropylar
- micropyle
- microradiograph
- microradiography
- microreader
- microRNA
- microsatellite
- microscope
- microscopic
- microscopical
- microscopically
- microscopist
- Microscopium