甾 (zāi) — steroid
Definition
甾 (zāi) is a specialized chemistry/biochemistry term referring to the steroid class of compounds — molecules built on a characteristic four-ring carbon skeleton. At HSK 7 it appears almost exclusively in technical contexts like 类化合物 or 体.
noun
steroid
Examples
- 甾。Dǎn gù chún shì yì zhǒng zhòng yào de zāi huà hé wù.Cholesterol is an important steroid compound.
- 甾。Yī shēng gěi tā kāi le zāi lèi yào wù lái xiāo yán.The doctor prescribed him steroid medications to reduce inflammation.
- 甾。Zhí wù zhōng yě hán yǒu tiān rán de zāi tǐ huà hé wù.Plants also contain natural steroid compounds.
Browse more HSK 7-9 words or search the full 43,000-word dictionary.