Hormone Definition
hôrmōn
hormones
noun
hormones
A substance formed in some organ of the body, as the adrenal glands, the pituitary, etc., and carried by a bodily fluid to another organ or tissue, where it has a specific effect.
Webster's New World
A synthetic compound that acts like a hormone in the body.
American Heritage Medicine
A similar substance produced in a plant, as an auxin.
Webster's New World
A synthetic substance produced to have similar effects to an animal or plant hormone.
Webster's New World
The human sex hormones as they affect mood, personality, etc.
Webster's New World
Synonyms:
Other Word Forms of Hormone
Noun
Singular:
hormonePlural:
hormonesOrigin of Hormone
From Ancient Greek ὁρμή (horme, “rapid motion forwards, onrush, onset, assault, impulse to do a thing, effort”), from ὁρμάω (hormao), ὁρμῶ (hormo, “to set in motion, to urge on, to cheer on, to make a start, to hasten on”).
From Wiktionary
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From Greek hormōn present participle of hormān to urge on from hormē impulse er-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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