Third-person singular simple present indicative form of primal

(astronomy, obsolete, archaic) A planet; a natural satellite of a sun.

plural of primary planet

plural of primal scene

Synonym of titan primary school

(UK, education) A primary school with 800 or more pupils.

plural of titan primary school

plural of titan primary

plural of Holstein-Primakoff transformation

(quantum mechanics) A mapping to the spin operators from boson creation and annihilation operators, effectively truncating their infinite-dimensional Fock space to finite-dimensional subspaces.