plural of probability mass function

(physics, chemistry) Synonym of conservation of mass

(astronomy) A massive burst of solar wind, other light isotope plasma, and magnetic fields rising above the solar corona or being released into space.

plural of coronal mass ejection

plural of atomic mass unit

(embryology) A mass of cells within a primordial embryo that will eventually develop into the distinct form of a fetus in most eutherian mammals.

(physics, chemistry, dated) Pedantic form of mass number. Symbol: A.

plural of weapon of mass disruption

A weapon used to create large-scale disruption instead of destruction.

Large facilities enabled to vaccinate.