pineal
Americanadjective
-
resembling a pine cone
-
of or relating to the pineal gland
Other Word Forms
Derived Forms
Etymology
Origin of pineal
1675–85; < New Latin pīneālis, equivalent to Latin pīne ( a ) pine cone, noun use of feminine of pīneus of a pine tree ( pīn ( us ) pine 1 + -eus -eous ) + -ālis -al 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She then joined a pineal cyst support group, mainly consisting of young women, who believe such cysts are to blame for debilitating symptoms.
From BBC • Dec. 4, 2024
Melatonin is produced naturally in the pineal gland to signal the body that it is time to sleep and regulate its circadian rhythm -- the physiological cycle over a 24-hour period.
From Science Daily • Nov. 13, 2023
These supplements, including sugary gummies, typically offer much higher doses than what the pineal gland produces to help shift circadian rhythm to night mode.
From Scientific American • May 5, 2023
Melatonin is a naturally occurring hormone produced by the pineal gland, a small structure at the center of the brain.
From Washington Post • Dec. 19, 2022
Descartes solved this problem as best he could by claiming that mind acted on the body through the pineal gland.
From "The Invention of Science" by David Wootton
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.