transparency
/trænsˈpærənsɪ/noun
(pl. -ies)
1
- mass noun the condition of being transparent透明, 透明性, 透明度：
the transparency of ice.
冰的透明度。
2
- a positive transparent photograph printed on transparent plastic or glass, able to be viewed using a slide projector幻灯片。
词源
late 16th cent. (as a general term denoting a transparent object)： from medieval Latin transparentia, from transparent- 'shining through' （see TRANSPARENT）.