Plural of sulcus
irregular plural
The plural of sulcus is sulci.
Forms of sulcus
| Singular | sulcus /ˈsʌl.kəs/ |
|---|---|
| Plural | sulci /ˈsʌl.saɪ/ |
| Countable | countable |
Sulci in a sentence
- 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.1996, David Foster Wallace, Infinite Jest […], Boston, Mass.; New York, N.Y.: Little, Brown and Company, →ISBN, page 186
- A groove in the cortex is called a fissure or a sulcus, and the upfolded tissue between two sulci is a gyrus.2012, Michael A. Arbib, How the Brain Got Language: The Mirror System Hypothesis, →ISBN, page 91. From the entry upfold
Meaning of sulcus
- 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.
Nouns ending in -us: plural -i
Questions about the plural of sulcus
- What is the plural of sulcus?
- The plural of sulcus is sulci.
- Is sulcus countable?
- Sulcus is a countable noun.
Source and license
Adapted from Wiktionary: sulcus (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Plural of sulcus.” Word.ws, https://word.ws/plural/sulcus. Based on Wiktionary, CC BY-SA 4.0.