名詞 loupe:

1. small magnifying glass (usually set in an eyepiece) used by jewelers and horologists
   同義詞：jeweler's loupe

1. Finally Mr. Cohen took out a loupe, a diamond man's magnifying glass, and studied the stone.
   最後寇英先生拿出一個(gè)寸鏡－－一種鉆石商用的放大鏡－－仔細(xì)審視那顆寶石。

loupe

n.（名詞）
A small magnifying glass usually set in an eyepiece and used chiefly by watchmakers and jewelers.
高倍放大鏡：通常放在目鏡中的放大鏡，形狀小主要供珠寶商和鐘表商使用

來源：
French
法語
from Old French [flawed gem]
源自 古法語 [有瑕的珠寶]
[probably of Germanic origin]
[可能來源于日爾曼語]