Word Pronunciation & Dictionary

feynmanium

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
feyn-ma-ni-um
IPA
20
Scrabble Score
10
Letters
4
Syllables
8
Unique Chars

Meaning

noun

The hypothetical chemical element with atomic number 137.

Uncountable

Etymology

Word Breakdown

Usage

Synonyms

Questions

What does feynmanium mean?
The hypothetical chemical element with atomic number 137.
Where does feynmanium come from?
From Feynman + -ium. After Richard Feynman, who used a back-of-the-envelope calculation using classical physics to determine that element 137 is the last stably neutrally charged element, as larger elements would need electrons traveling faster than light to become neutral. (This problem goes away when relativity is considered.)

How to pronounce feynmanium

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