名詞 planchet:

1. a flat metal disk ready for stamping as a coin
   同義詞：coin blank

planch.et

n.（名詞）
A flat disk of metal ready for stamping as a coin; a coin blank.
硬幣坯，金屬坯：打上戳記后用做硬幣的一種水平金屬圓片；硬幣坯
A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.
樣品皿：用于存放放射性物質(zhì)以測量其活性的小而淺的金屬容器

來源：
[Diminutive of] planch [flat plate, slab]
[] planch的小后綴 [平的碟子，厚板]
from Middle English plaunche [plank]
源自 中古英語 plaunche [厚板]
from Old French planche
源自 古法語 planche
from Late Latin planca
源自 后期拉丁語 planca
from feminine of Latin plancus [flat] * see pl3k-
源自 拉丁語 plancus的陰性詞 [平的] *參見 pl3k-