Synonym of tyranny of the majority

(physics, chemistry) a technique of separating ions of different masses by measuring the time taken to traverse a fixed distance through a magnetic field

(physics) A technique used to visualize the three-dimensional structure of solids by employing an energetic ion beam to fragment the atomic or molecular constituents from a surface

(astronomy) a protium-fusing star with minimal mass, which is fully convective, able to process its entire hydrogen supply

plural of very low mass star

Synonym of Triassic-Jurassic extinction event.

(evolutionary theory, geology) Synonym of Permian-Triassic extinction

A form of analysis by mass spectrometry using particle accelerators.

plural of active gravitational mass

plural of average atomic mass