planchet

n. 造币用金属坯, 金属小圆片
【电】 薄片

planch.et

n.（名词）
A flat disk of metal ready for stamping as a coin; a coin blank.
硬币坯，金属坯：打上戳记后用做硬币的一种水平金属圆片；硬币坯
A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.
样品皿：用于存放放射性物质以测量其活性的小而浅的金属容器

来源：
[Diminutive of] planch [flat plate, slab]
[] planch的小后缀 [平的碟子，厚板]
from Middle English plaunche [plank]
源自 中古英语 plaunche [厚板]
from Old French planche
源自 古法语 planche
from Late Latin planca
源自 后期拉丁语 planca
from feminine of Latin plancus [flat] * see pl3k-
源自 拉丁语 plancus的阴性词 [平的] *参见 pl3k-