Word Pronunciation & Dictionary

hfo

Word Rarity Very rare

Frequency: 1.60 in modern English

Syllables: hfo
IPA

9

Scrabble Score

3

Letters

1

Syllables

3

Unique Chars

Meaning

noun

Initialism of heavy fuel oil.

Countable; Uncountable

noun

Initialism of hydrofluoroolefin.

Countable; Uncountable

noun

Initialism of high-frequency oscillation.

Countable; Uncountable

noun

Initialism of hands-free orgasm.

Countable; Uncountable

Usage

Inflected Forms

HFOs (plural)

Frequently Paired Words

DFO HHO

Questions

What does hfo mean?: Initialism of heavy fuel oil.

How to pronounce hfo

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