adj
pineal
PIH-neerl
Pineal (adj) means relating to the pineal gland, a small pinecone-shaped gland in the brain that produces melatonin. Example: “The pineal gland helps regulate our sleep cycle.”
adj
1
Relating to the pineal gland, a small pinecone-shaped gland in the brain that produces melatonin.
"The pineal gland helps regulate our sleep cycle."
"Doctors scanned the pineal region for abnormalities."
How to use pineal
Learner’s notesIn plain EnglishDescribing the tiny brain gland shaped like a pine cone that controls your sleep-wake rhythm.
Common pairings
pineal gland
Vocabulary Flow
Build your vocabulary from words like pineal.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Word forms
- Plural
- pineals
- Comparative
- more pineal
- Superlative
- most pineal
Fill the gap
Can you complete this real example?
The _____ gland helps regulate our sleep cycle.
Etymology
From Latin pinea, "pine cone" — the gland is named for its small cone-like shape.
Rhymes for pineal
See all rhymes for pineal →Frequently asked questions
What does “pineal” mean?
The word “pineal” means relating to the pineal gland, a small pinecone-shaped gland in the brain that produces melatonin. In plain terms, describing the tiny brain gland shaped like a pine cone that controls your sleep-wake rhythm.
How do you pronounce “pineal”?
“Pineal” is pronounced PIH-neerl (/ˈpɪnɪəl/ in IPA).
How do you use “pineal” in a sentence?
Here is “pineal” used in a sentence: “The pineal gland helps regulate our sleep cycle.”
What part of speech is “pineal”?
“Pineal” is an adjective.
Where does the word “pineal” come from?
The word “pineal” comes from Latin. From Latin pinea, "pine cone" — the gland is named for its small cone-like shape.
