balopticon

n. 投射器, 投影器

词形变化

balopticons 复数 balopticons

释义与例句

n.
  1. 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