トップコート
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Meanings
1
A lightweight coat worn over other clothing, typically in spring or autumn. Cf. スプリングコート.
See also: スプリングコート
In early spring, it's handy to have a light overcoat.
2
The final protective or decorative layer applied over a base coat in painting, woodworking, or automotive finishing.
Spray the topcoat as the final step of the painting process.
3
top coat (nail polish)
A clear or glossy layer applied over colored nail polish to protect it and add shine.
Applying a top coat as a finish makes your manicure last longer.