Feynmanium

Meaning

Noun

• The hypothetical chemical element with atomic number 137.

Related

Similar words

• Fy , untriseptium , Uts

Origin

• Feynman + -ium.
  
• Named 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 travelling faster than light to become neutral.