Definitions

lín used in the transliteration of the names of organic compounds such as porphyrin 卟啉[bǔ lín] and quinoline 喹啉[kuí lín]

Etymology phono-semantic

mouth

Semantic: Phonetic:

About

The character 啉 is structured as a phono-semantic compound with the mouth radical 口 suggesting actions related to the mouth and the component 林 serving as its phonetic element. Its etymological origins point to meanings associated with drinking, often implying a rapid or greedy consumption of liquids. Over centuries, the character's general usage declined in standard Mandarin, and it now primarily appears in specialized contexts such as the chemical term 哌啉 for piperazine, while in various dialects it retains the earlier sense of drinking. The form of 啉 has not been altered through simplification, consisting consistently of the same components.