Word Pronunciation & Dictionary

ostium

Word Rarity Very rare

Frequency: Zipf frequency 1.53 in modern English

Syllables: os-tium
IPA

8

Scrabble Score

6

Letters

2

Syllables

6

Unique Chars

Meaning

noun

A small opening or orifice, as in a body organ or passage.

noun

Any of the small openings or pores in a sponge.

noun

The mouth of a river.

Etymology

Borrowed from Latin ōstium.

Inflected Forms

ostia (plural)

Derived Forms

ostial

Questions

What does ostium mean?: A small opening or orifice, as in a body organ or passage.
Where does ostium come from?: Borrowed from Latin ōstium.

How to pronounce ostium

Open the pronunciation page — Open the Speakur entry for “ostium”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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Repeat and practice — Say “ostium” aloud, matching stress and vowels until it feels natural.