Speakur

Word Pronunciation & Dictionary

mass number

Word Rarity Uncommon

Frequency: Zipf frequency 4.80 in modern English

Syllables
mass num-ber
IPA
16
Scrabble Score
10
Letters
2
Syllables
8
Unique Chars

Meaning

noun

The total number of protons and neutrons in an atomic nucleus. Symbol: A

Etymology

Ellipsis of atomic mass number.

Inflected Forms

mass numbers (plural)

Phrases

atomic mass atomic mass unit atomic number atomic weight

Frequently Paired Words

atomic mass atomic mass unit atomic number atomic weight

Synonyms

atomic mass number nucleon number

Questions

What does mass number mean?
The total number of protons and neutrons in an atomic nucleus. Symbol: A
Where does mass number come from?
Ellipsis of atomic mass number.

How to pronounce mass number

  1. Open the pronunciation page — Open the Speakur entry for “mass number”.
  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 “mass number”.
  4. Repeat and practice — Say “mass number” aloud, matching stress and vowels until it feels natural.