thi

IPA/θˈaɪ/
KK[θˈi]IPA/θˈiː/

thi — 構詞成分

1. A prefix in chemical names meaning that a sulfur atom has taken the place of an

1.構詞成分C1
釋義

含硫；硫代

化學用語，表示含硫原子的化合物

A prefix in chemical names meaning that a sulfur atom has taken the place of an oxygen atom or another element in a compound — for example, thiosulfate is a sulfur-containing version of sulfate, and thiamine is a vitamin with a sulfur-linked ring structure.

例句

Ishaan added sodium thiosulfate to the solution in the lab.

Ishaan 在實驗室裡將硫代硫酸鈉加入溶液中。

thiosulfate — sulfur-containing version of sulfate

The doctor prescribed thiamine supplements for the patient with low vitamin B1 levels.

醫生為維生素B1不足的患者開立了硫胺素補充劑。

thiamine — vitamin with sulfur in its structure

同義詞
  • thio-

    Alternative form used before vowels; thi- and thio- are interchangeable depending on the following letter

反義詞
  • oxy-

    Indicates oxygen, which thi- replaces in the compound; oxy- denotes oxygen-containing, thi- denotes sulfur-containing

文法句型

thi- + noun (forming compound terms)

用法筆記

Only appears at the beginning of technical chemistry terms. The alternative form thio- is used before vowels (e.g. thioether, thioester). Not used in everyday English outside scientific writing.

常見錯誤

❌The doctor gave me thi pills for my cold.
✅Thiamine supplements can help with certain vitamin deficiencies.
💡thi- is a prefix, not a standalone word; it must attach to a root to form a complete term.