P-waves
perm wave
primary
A compressional wave is a primary wave
They call it the Primary wave or a P-wave
Primary Wave Music was created in 2006-01.
primary
sur-wave
the biggest wave is a pwave or primary wave
Primary Wave (P wave)
A primary wave is a strong vibration or wave that hits earths surface (P) and a secondary wave (S) is a wave that hits soon after but not nearly as big.
There is one abbreviation for the word appreciation. The abbreviation of appr'n is used primary in the business area.