Ph is a 2 letter English word.
You can make 5 anagrams from letters in PH (hp).
Talk about th' Boer war an' th' campaign in th' ph'lippeens!
Things on the other side of the ledger, at a ph above 7, are alkaline (also called “basic” as in acid-base).
Mammalian cellular metabolism, aka the basic rules of being alive on planet Earth, runs best at a ph between 7.38 and 7.42.
Mrs. Pepperall used to say that her boy was quite a ph'losopher in his way.
The representation of φ by ph, and of θ by th was highly erroneous.
An' yet, Hinnissy, I dinnaw what to do about th' ph'lippeens.
Like ph or f in English; as, a' phuill of the pool, phill returned.
One ph direction is no better or more natural than the other.
But why should phrase be spelld with ph and s, and not f and z?
As we were taught in high school Chem, any ph below 7.4 is acidic.