zone-plane, n.

zone-plane
http://www.oed.com/dictionary/zone-plane_n%3Ftab%3Dmeaning_and_use
First published 1921; not fully revised

# zone-planenoun

## Factsheet

### Where does the noun zone-plane come from?

Earliest known use

1870s

The earliest known use of the noun zone-plane is in the 1870s.

OED's only evidence for zone-plane is from 1878, in the writing of Henry Palin Gurney, educationist.

### Nearby entries

1. zone defence | zone defense, n. 1927–
2. zone electrophoresis, n. 1952–
3. zone fossil, n. 1904–
4. zoneless, adj. 1748–
5. zonelet, n. 1855–
6. zone level, v. 1974–
7. zone leveller, n. 1956–
8. zone levelling, n. 1953–
9. zone-melt, v. 1982–
10. zone melting, n. 1952–
11. zone-plane, n.1878–
12. zone plate, n. 1890–
13. zoner, n. 1962–
14. zone-refine, v. 1962–
15. zone refiner, n. 1959–
16. zone refining, n. 1952–
17. zone therapy, n. 1915–
18. zone time, n. 1908–
19. Zonian, n. 1910–
20. zonic, adj. 1797–
21. zoning, n. a1821–

## Meaning & use

1. 1878–
   See zone n. Compounds.
   1. 1878

      > The plane to which they [sc. the edges of the crystal] are all perpendicular is called the zone plane.

      H. P. Gurney, Crystallography 22

Originally published as part of the entry for zone, n.

zone, n. was first published in 1921; not fully revised.