plural of p-adic number

(space flight) A lunar-resonant orbit about the Earth with a period of 1/2 that of the Moon's (P/2 is an orbit that is approximately a fortnight long)

Alternative form of continued page 94

Alternative form of continued page 94

Short for PaO2/FiO2 ratio.

plural of P/F ratio

plural of p-adic order

(number theory) Of a positive integer n, the exponent of the highest power of p that divides n. Often denoted νₚ(n). For example, ν₂(48)=4.

plural of P/2 orbit

(Australia) Said of a person who is on their provisional driver's licence and displays P-plates on their vehicle; not yet possessing a full driver's licence.