2 definitions by themastermcadochemist

negative mass

A form of mass that repels, not attracts.
Expressed as: -1 kg

Guy 1: I'll put negative mass in my friend's bed so he can't sleep.
- later -
Guy 2: WHY CAN'T I GET IN MY BED?!?!?!?

by themastermcadochemist March 15, 2020

superactinides

A part of the extended periodic table of elements, containing elements 121 to 157.

Chemist: Let's discover the superactinides!

by themastermcadochemist March 15, 2020