吡嗪 (bǐqín): pyrazine (chemistry)

Meanings

1 pyrazine (chemistry)

Characters

吡

bǐ

(transliteration character used in chemistry names)

嗪

qín

(transliteration character used in chemistry names)

Examples

吡嗪是一种含氮的杂环化合物。

Bǐqín shì yī zhǒng hán dàn de záhuán huàhéwù.

Pyrazine is a nitrogen-containing heterocyclic compound.

咖啡和烤肉的香味中含有多种吡嗪类化合物。

Kāfēi hé kǎoròu de xiāngwèi zhōng hányǒu duō zhǒng bǐqín lèi huàhéwù.

The aromas of coffee and roasted meat contain many pyrazine-class compounds.

Tips

memory

Both characters are 'mouth radical 口 + phonetic' — a typical pattern for chemistry transliterations (compare 吡啶 'pyridine', 嘧啶 'pyrimidine'). The 'bǐqín' reading approximates English 'pyrazine'. Pyrazines are flavor chemists' favourites: they give roasted, nutty, popcorn-like notes.