sul

IPA/sˈʌl/
KK[sˈʌl]IPA/sˈʌl/

sul — 構詞成分

1. a prefix meaning 'containing sulfur' or 'relating to the sulfonic acid group (SO

1.構詞成分B2
釋義

硫；磺胺

表示含硫或磺酸基的化學連接形

a prefix meaning 'containing sulfur' or 'relating to the sulfonic acid group (SO₃H)', used in the names of chemical compounds and medicines. For example, sulfonamide drugs contain a sulfur-based functional group, and sulfuric acid is a strong sulfur-containing acid.

例句

The doctor prescribed a sulfonamide antibiotic for Selim's urinary tract infection.

醫生為 Selim 的泌尿道感染開了一種磺胺抗生素。

sul- + -amide: drug names containing sulfur

Nia synthesised a sulfonate salt during her final-year chemistry project.

Nia 在畢業前的化學專題中合成了一種磺酸鹽。

sul- + -onate: naming sulfur-containing salts

文法句型

sul- + noun (forming chemical/medical terms)

用法筆記

The spelling 'sul-' is used before consonants (e.g. sulfonamide, sulfate); before vowels the form is usually 'sulf-' (e.g. sulfoxide, sulfonic). British English sometimes uses 'sulph-' (sulphonamide, sulphate).

常見錯誤

❌The patient took a sulpha drug with water.
✅The patient took a sulfa drug with water.
💡'sulfa' (not 'sulpha') is the standard US spelling; 'sulpha' is a less common British variant for sulfonamide.