Correct

烟蒂

/ yāndì / 
Strokes

Definition

cigarette butt

Example

As a Noun

cigarette end/butt/stub/stump

1
Yānhuīgāng
烟灰缸
lǐ
里
mǎn
满
shì
是
qiā
掐
miè
灭
le
了
de
的
yāndì
烟蒂
  
。

The ashtray was full of the stubbed-out butts of cigarettes.