burnish

名词 burnish:

1. the property of being smooth and shiny
   同义词：polish, gloss, glossiness

动词 burnish:

1. polish and make shiny
   同义词：buff, furbish, flush

1. The copper has been burnished.
   铜已被抛光。
2. He is burnishing the knife.
   他正在磨刀。

bur.nish

v.tr.（及物动词）
bur.nished,bur.nish.ing,bur.nish.es
To make smooth or glossy by or as if by rubbing; polish.
擦亮：通过摩擦或像通过摩擦使光滑或发亮；擦亮
To rub with a tool that serves especially to smooth or polish.
磨光：用专用于摩擦或抛光的工具摩擦
n.（名词）
A smooth, glossy finish or appearance; luster.
抛光面，光泽：一个光滑的有光泽的抛光木或表面；光泽

来源：
Middle English burnishen
中古英语 burnishen
from Old French burnir burniss-
源自 古法语 burnir burniss-
variant of brunir
brunir的变体
from brun [shining]
源自 brun [闪耀的]
[of Germanic origin] * see bher- 2
[源于日耳曼语的] *参见 bher- 2

【引伸】
bur.nisher
n.（名词）