| Main Entry: | crust |
| Part of Speech: | noun |
| Definition: | stiff outer layer; coating |
Synonyms: |
band, bloom, border, caking, coat, concretion, covering, edge, encrustation, film, hull, incrustation, integument, layer, outside, rind, scab, shell, skin, surface, verge |
| Main Entry: | scale |
| Part of Speech: | noun |
| Definition: | thin covering, skin |
Synonyms: |
film, flake, incrustation, lamina, layer, plate, scurf |
| Notes: | octave is the distance covered by any eight notes of a scale; a scale is a series of eight notes played in alphabetical order |