Speakur

Word Pronunciation & Dictionary

r100

Word Rarity Very rare

Frequency: Zipf frequency 0.79 in modern English

Syllables
r100
IPA
1
Scrabble Score
1
Letters
1
Syllables
1
Unique Chars

Meaning

noun

R100; Ellipsis of NIOSH R100.

Uncountable

noun

R100; Ellipsis of NIOSH R100.

Countable

Etymology

From Initialism of Resistant to oil particles with 100% filtration efficiency in NIOSH air filtration ratings.

Usage

Inflected Forms

R100s (plural)

Frequently Paired Words

N100 P100

Questions

What does r100 mean?
R100; Ellipsis of NIOSH R100.
Where does r100 come from?
From Initialism of Resistant to oil particles with 100% filtration efficiency in NIOSH air filtration ratings.

How to pronounce r100

  1. Open the pronunciation page — Open the Speakur entry for “r100”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “r100”.
  4. Repeat and practice — Say “r100” aloud, matching stress and vowels until it feels natural.