吗啉

嗎啉
mǎlín
morpholine (chemistry) (loanword)

CEDICT

chemistry loanword

Entry Composition

=1 吗 mǎ used in 吗啡 mǎfēi
=1 吗 ma (question particle for "yes-no" questions)
2 啉 lín used in the transliteration of the names of organic compounds such as porphyrin 卟啉 bǔlín and quinoline 喹啉 kuílín