WordNet: layer
a relatively thin sheetlike expanse or region lying over or under another
- hypernym part, region
- hyponym stratum
- hyponym asthenosphere
- hyponym chromosphere
- hyponym Earth's crust, crust
- hyponym exosphere
- hyponym hydrosphere
- hyponym geosphere, lithosphere
- hyponym lower mantle
- hyponym mantle
- hyponym mesosphere
- hyponym ozone layer, ozonosphere
- hyponym stratosphere
- hyponym Earth's surface, surface
- hyponym thermosphere
- hyponym tropopause
- hyponym troposphere
- hyponym upper mantle
- hyponym cell wall
- hyponym snow
layer