ZONATION

- Arrangement or formation in zones; zonate structure.
- Ecology The distribution of organisms in biogeographic zones.

Z10 - O1 - N1 - A1 - T1 - I1 - O1 - N1 has 17 points in Scrabble!

Z10 - O1 - N2 - A1 - T1 - I1 - O1 - N2 has 19 points in Words with Friends!

Found in the OTCWL2014, SOWPODS, ENABLE, and WWF dictionaries