Word Pronunciation & Dictionary

n99

Word Rarity Very rare

Frequency: Zipf frequency 1.16 in modern English

Syllables: n99
IPA

1

Scrabble Score

1

Letters

1

Syllables

1

Unique Chars

Meaning

noun

N99; Ellipsis of NIOSH N99.

Uncountable

noun

N99; Ellipsis of NIOSH N99.

Countable

Etymology

From Initialism of Not resistant to oil particles with 99% filtration efficiency in NIOSH air filtration ratings.

Usage

Inflected Forms

N99s (plural)

Frequently Paired Words

R95 P95 R99 P99 (99% filtration) R100 P100 N100 (99.97% filtration)

Questions

What does n99 mean?: N99; Ellipsis of NIOSH N99.
Where does n99 come from?: From Initialism of Not resistant to oil particles with 99% filtration efficiency in NIOSH air filtration ratings.

How to pronounce n99

Open the pronunciation page — Open the Speakur entry for “n99”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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