listen

 Auto Play

listen

 Auto Play
PETS rank
melatonin
Font Size

Comprehensive English-Chinese Dictionary

melatonin [.mεlə'tonɪn] [.melə'təunɪn]
  1. 1. noun 黑色素松果腺脊椎激素的一种)

Collins English-English Dictionary

melatonin ["mεlə'təυnɪn]
  1. 1. n the hormone-like secretion of the pineal gland, causing skin colour changes in some animals and thought to be involved in reproductive function
  2. 2. n [Etymology] C20: probably from mela(nocyte) + (sero)tonin

Would you like to know more about this word? Simply click the button on the right to ask real people.
You can also check your questions and answers at ‘ My nciku > Posts ’.

Content partners 外研社collins