null cone
Physics
noun
= light cone.
Origin
1920s.
- pear tree
- pearwood
- Peary caribou
- Peary Land
- Peary, Robert Edwin
- peasant
- peasant economy
- peasanthood
- peasantisation
- peasantise
- peasantism
- peasantist
- peasantization
- peasantize
- peasant-like
- peasantly
- peasantry
- Peasants' Revolt
- peasanty
- pease
- peasecod
- peasecod-bellied
- peasecod doublet
- peasecod time
- peasemeal