Synonyms for sinus

Most common

cavity · sine · venous sinus · fistula

All synonyms

Noun

Definitions

1. n. 1

   A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).

Related words

Word family

sinusoid

Phrases

piriform sinus venous sinus dural sinus dural venous sinus sinus node sinus pudoris paranasal sinus lateral sinus

Forms

Plural

sinuses → cavities, fistulas, hollows, sines…

Example sentences

• cavity I ate too many sweets and now I've got a cavity.
• sine The sine and cosine functions both satisfy this property.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

4 letters

fold¹, sine¹

6 letters

hollow², cavity³

7 letters

fistula

The small number after each word is its number of syllables (hollow² = 2 syllables).

In other languages

Français

sinus