planate1
/ˈpleɪneɪt/adjective
1Chiefly Entomology and Botany. Flattened, occurring in or forming a flat plane, planar.
2 Geomorphology = planated.
Origin
Late 19th century; earliest use found in The Century Dictionary. From plane + -ate.
planate2
/pləˈneɪt/Geomorphology
verb
[with object] To make level by erosion. Chiefly in pass.
Origin
Early 20th century; earliest use found in Geographical Journal. From plane + -ate.