MELATONIN

Meaning of MELATONIN in English

mel ‧ a ‧ to ‧ nin /ˌmeləˈtəʊnən, ˌmeləˈtəʊnɪn $ -ˈtoʊ-/ BrE AmE noun [uncountable]

[ Date: 1900-2000 ; Language: Greek ; Origin: melas 'black' + English serotonin ]

a ↑ hormone that is sometimes used as a drug to help you sleep

Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012

MELATONIN — noun Etymology: Greek melas black + -tonin (as in serotonin) Date: 1958 a vertebrate hormone that is derived from serotonin, …
Толковый словарь английского языка - Merriam Webster
MELATONIN — pineal gland of most vertebrates. It appears to be important in regulating sleeping cycles; more is produced at night, and …
Английский словарь Британика
MELATONIN — ¦melə¦tōnə̇n noun ( -s ) Etymology: probably from mela nocyte + sero tonin ; from its power to lighten melanocytes …
Webster's New International English Dictionary
MELATONIN — /mel'euh toh"nin/ , n. Physiol. a hormone secreted by the pineal gland in inverse proportion to the amount of light …
Random House Webster's Unabridged English Dictionary
MELATONIN — n. hormone secreted by the pineal gland in proportion to the body's exposure to light, hormone that is essential in …
Толковый словарь английского языка - Редакция bed
MELATONIN — noun Etymology: Greek melas black + -tonin (as in serotonin ) Date: 1958 : a vertebrate hormone that is derived …
Merriam-Webster's Collegiate English vocabulary
MELATONIN — [ ˌmɛlə'təʊnɪn ] ■ noun Biochemistry a hormone secreted by the pineal gland which inhibits melanin formation. Origin 1950s: from …
Concise Oxford English vocab
MELATONIN — [mel.a.to.nin] n [Gk melas black + -tonin (as in serotonin)] (1958): a vertebrate hormone of the pineal gland that produces …
Merriam-Webster English vocab
MELATONIN
Britannica English vocabulary
MELATONIN — melatonin BrE AmE ˌmel ə ˈtəʊn ɪn -ən AmE \ -ˈtoʊn-
Longman Pronunciation English Dictionary
MELATONIN — / ˌmeləˈtəʊnɪn; NAmE -ˈtoʊ-/ noun [ U ] ( biology ) a hormone that causes changes in skin colour •• …
Oxford Advanced Learner's English Dictionary
MELATONIN — noun EXAMPLES FROM CORPUS ▪ A synthetic form of melatonin can be bought over-the-counter at health food stores and many …
Longman DOCE5 Extras English vocabulary
MELATONIN — n. Hormone secreted by the pineal gland of most vertebrates. It appears to be important in regulating sleeping cycles; more …
Britannica Concise Encyclopedia
MELATONIN — Мелатонин
Американский Англо-Русский словарь
MELATONIN — мелатонин (подавляет функцию половых желез)
Новый Англо-Русский медицинский словарь
MELATONIN — n. Pronunciation: ˌ me-l ə - ' t ō -n ə n Function: noun Etymology: Greek melas black + -tonin …
Merriam Webster Collegiate English Dictionary
SEASONAL AFFECTIVE DISORDER (SAD) — Cyclical depression occurring in winter, apparently caused by insufficient sunlight. It is most common in places at high latitudes and …
Английский словарь Британика
PINEAL GLAND — or pineal body Endocrine gland in the brain that produces melatonin . It is large in children and begins to …
Английский словарь Британика
BRAIN HORMONE — noun 1. : a hormone that is secreted by neurosecretory cells of the insect brain and that stimulates the prothoracic …
Webster's New International English Dictionary
PINEAL GLAND — a small, cone-shaped endocrine organ in the posterior forebrain, secreting melatonin and involved in biorhythms and gonadal development. Also called …
Random House Webster's Unabridged English Dictionary
SEROTONIN — n. essential hormone and neurotransmitter derived from the amino acid tryptophan, precursor of the hormone melatonin (Physiology)
Толковый словарь английского языка - Редакция bed
PINEAL — adj. resembling a pine cone; pertaining to the pineal gland, pertaining to the small endocrine gland in the brain which …
Толковый словарь английского языка - Редакция bed
PINEAL GLAND — epiphysis, small endocrine gland which is located in the center of the brain and secretes the hormone melatonin (Anatomy)
Толковый словарь английского языка - Редакция bed
MELANODERMA — adj. abnormally dark skin as a result of increased deposits of melatonin
Толковый словарь английского языка - Редакция bed
PINEAL — adjective Etymology: French pinéal, from Middle French, from Latin pinea pinecone, from feminine of pineus of pine, from pinus Date: …
Merriam-Webster's Collegiate English vocabulary
PINEAL GLAND — also called Pineal Body, or Epiphysis Cerebri, an endocrine gland found in vertebrates that regulates the production of the hormone …
Britannica English vocabulary
ENDOCRINE SYSTEM, HUMAN
Britannica English vocabulary
REPRODUCTIVE
Longman DOCE5 Extras English vocabulary
INJECTION — noun COLLOCATIONS FROM OTHER ENTRIES fuel injection injection moulding ▪ injection-moulded fittings lethal injection ▪ death by lethal injection COLLOCATIONS …
Longman DOCE5 Extras English vocabulary
GLAND — noun COLLOCATIONS FROM OTHER ENTRIES mammary gland salivary gland sweat gland COLLOCATIONS FROM CORPUS ■ ADJECTIVE adrenal ▪ Pieters became …
Longman DOCE5 Extras English vocabulary
COUNTER
Longman DOCE5 Extras English vocabulary

Longman Dictionary of Contemporary English

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