噻

哇噻

wā sāi

variant of 哇塞[wa1 sai1]

头孢噻吩

tóu bāo sāi fēn

(pharm.) cefalotin (aka cephalothin)

噻嗪

sāi qín

thiazine (chemistry) (loanword)

噻吩

sāi fēn

thiophene (chemistry) (loanword)

噻唑

sāi zuò

thiazole (chemistry)

苯并噻吩

běn bìng sāi fēn

benzothiophene C8H9, a heterocyclic compound (with one benzene ring and one cyclopentene ring)