Word Pronunciation & Dictionary

sulcus

/ˈsʌl.kəs/

Word Rarity Very rare

Frequency: Zipf frequency 2.30 in modern English

Syllables: sul-cus
IPA: /ˈsʌl.kəs/

8

Scrabble Score

6

Letters

2

Syllables

4

Unique Chars

Meaning

noun

A furrow or groove in an organ or a tissue, especially that marking the convolutions of the surface of the brain.

noun

A region of subparallel grooves or ditches formed by a geological process.

Example Sentences

"The sulci and gyri are the grooves and ridges, respectively."
"The Union’s soft latex-polymer roof is cerebrally domed and a cloudy piamater pink except in spots where it’s eroded down to pasty gray, and everywhere textured, the bulging rooftop, with sulci and bulbous convolutions."
"The largest sulcus, the longitudinal fissure, divides the brain into left and right hemispheres."
"Unlike most other sulci, the lateral sulcus is very deep."
"The large surface area of the human cerebral cortex results in a pattern of gyri and sulci."

Etymology

Borrowed from Latin sulcus (“a furrow made by a plow”). Doublet of sullow ("plough").

Inflected Forms

sulci (plural)

Derived Forms

hemisulcus hyposulcus pseudosulcus sulcal sulcate sulcification sulciform

Phrases

gluteal sulcus intermammary sulcus sulcus cutis

Frequently Paired Words

gyrus fossa fovea fissure cleft lacuna vallecula

Questions

How do you pronounce sulcus?: The recorded pronunciation is /ˈsʌl.kəs/.
What does sulcus mean?: A furrow or groove in an organ or a tissue, especially that marking the convolutions of the surface of the brain.
Where does sulcus come from?: Borrowed from Latin sulcus (“a furrow made by a plow”). Doublet of sullow ("plough").

How to pronounce sulcus

Open the pronunciation page — Open the Speakur entry for “sulcus”.
Read the phonetic spelling — Read the IPA spelling (/ˈsʌl.kəs/) so you know which sounds to aim for.
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