balopticon
n. 投射器, 投影器
词形变化
balopticons
复数
balopticons
释义与例句
n.
-
1.
An early kind of stereopticon or projector.
历史
词源
From βάλλω (bállō, “throw”) + ὀπτικός (optikós, “visual”). At the same time it reflects the initials of the company Ba(usch) & L(omb) Optical.
来源:wiktionary