n. A consonant digraph having the sound of ƒ, used in the Latin or English, French, etc., transliteration of Greek words containing φ, as in phalanx, philosophy, graphic, zephyr, etc., or occasionally of words from other languages.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic)
Word Usage
"I own my 16gb outright, but if their 32gb ph is worth it in cost, then and only then will I go on plan, sell this lovely phone."