Platanus racemosa
— Navneord
– Engelsk
~ tall tree of Baja California having deciduous bark and large alternate palmately lobed leaves and ball-shaped clusters of flowers
plate rack
— Navneord
– Engelsk
~ a rack for holding plates to dry after they have been washed
pipe rack
— Navneord
– Engelsk
~ a rack for holding a smoker's pipes
Pinus radiata
— Navneord
– Engelsk
~ tall California pine with long needles in bunches of 3, a dense crown, and dark brown deeply fissured bark
Planck's radiation law
— Navneord
– Engelsk
~ (physics) an equation that expresses the distribution of energy in the radiated spectrum of an ideal black body
particulate radiation
— Navneord
– Engelsk
~ a stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons)
propyl radical
— Navneord
– Engelsk
~ the monovalent organic group C3H7- obtained from propane