火石 (Hoé-chio̍h) (flint) 是 (sī)1種 (chióng)訂定 (tēng-tēng)的 (ê)堆積岩 (tui-chek-giâm) (sedimentary rock)，外口面 (goā-kháu-bīn)成 (sêng)玻璃 (po-lê)，成份 (sêng-hūn)是西酸鹽 (Si-sng-iâm) (silicate)。火石色水 (sek-chúi)大份 (toā-hūn)是o͘，林 (nâ)，爪鼠仔色 (niáu-chhí-á-sek)抑 (ia̍h)老茶室 (laū-tê-sek)。佇 (Tī)石脂 (chio̍h-chi) (chalk) 抑石灰岩 (chio̍h-hoe-giâm) (limestone) 定 (tiāⁿ)會得 (ē-tit)揣 (chhoē)著 (tio̍h)火石的結核 (kiat-hu̍t) (nodule)。
火石碇 (tiāⁿ)提 (the̍h)來 (lâi)吉伙 (khiat-hoé)用 (ēng)。石器 (Chio̍h-khì)時代 (Sî-tāi)的石器大份是用火石做的 (chò--ê)。
