melatonin

[化] 褪黑激素; N-乙酰-5-甲氧基色胺

发音

UK /ˌmɛləˈtəʊnɪn/
CA /ˌmɛləˈtoʊnɪn/
US /ˌmɛləˈtoʊnɪn/
AU /ˌmeləˈtəʉnɪn/
NZ /ˌmeləˈtɐʉnən/

词形变化

melatonins 复数 melatonins

释义与例句

n.
  1. 1.

    A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep and wake and reproductive cycles in mammals.

    褪黑素

    不可数
  2. 2.

    Any material similar in its chemistry and effect to the natural hormone.

    不可数

词汇关系

名词

上位词 2

hormone endocrine

部分词 1

indole

词源

From mela- + tone + -in, ultimately from Ancient Greek μέλας (mélas, “black, dark”).

来源：wiktionary