balopticon

名词 n.

英文释义

名词 n.
  1. An early kind of stereopticon or projector. historical

词形变化

balopticons plural

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.
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