Japanese edit

Kanji in this term
びん
Grade: S
そこ > ぞこ
Grade: 4

Grade: 5
かね > がね
Grade: 4
Alternative spelling
甁底眼鏡 (kyūjitai)
For pronunciation and definitions of 瓶底眼鏡 – see the following entry.
びんぞこめがね
[noun] (informal) "bottle-bottom glasses": eyeglasses with thick, round lens
Alternative spellings
瓶底めがね, 瓶底メガネ
(This term, 瓶底眼鏡, is an alternative spelling of the above term.)