吗啉

morpholine (chemistry) (loanword)

má = m + a2

(coll.) what?

mǎ = m + a3

used in 嗎啡|吗啡[ma3 fei1]

ma = m + a5

(question particle for "yes-no" questions)

吗 = 口 + 马 : On the ashram, Mahatma Gandhi asks the unicorn if he can eat its mandarin.

lín = li + (e)n2

used in the transliteration of the names of organic compounds such as porphyrin 卟啉[bu3 lin2] and quinoline 喹啉[kui2 lin2]

吗啉 is not used as a component in another word.

吗啉 currently does not appear in any sentence.