P

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P,

16th letter of the alphabetalphabet
[Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation between character (or letter) and phoneme (see phonetics). Few alphabets have achieved the ideal exactness.
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, representing the voiceless bilabial stop. It corresponds to Greek pi, but in form it looks like Greek rho (see RR,
18th letter of the alphabet, corresponding to Greek rho. When in Latin alphabets the letters for p and r became similar in appearance, the rho form (P; which at first was used for the r sound) was restricted to the p
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). For the technical use of P in higher criticism, see Old TestamentOld Testament,
Christian name for the Hebrew Bible, which serves as the first division of the Christian Bible (see New Testament). The designations "Old" and "New" seem to have been adopted after c.A.D.
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. In chemistry P is the symbol of the element phosphorusphosphorus
[Gr.,=light-bearing], nonmetallic chemical element; symbol P; at. no. 15; at. wt. 30.97376; m.p. 44.1°C;; b.p. about 280°C;; sp. gr. 1.82 at 20°C;; valence −3, +3, or +5.
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.

P

(science and technology)
(chemistry)
(fluid mechanics)

P

1. On drawings, abbr. for page.
2. Abbr. for pole.

P

pharmacy only: used to label medicines that can be obtained without a prescription, but only at a shop at which there is a pharmacist
References in periodicals archive ?
P's benefits, however, were not determined by reference to his age or length of service.
We conclude that the reduction in P's payments on the twenty-fifth anniversary of his date of hire did not convert his disability pension into a retirement pension.
Consequently, S's E&P would not tier up to P as a result of the reorganization; P's E&P would not be adjusted to reflect changes in S'S E&P and dividends paid by S to P would increase P'S net E&P.
Under these circumstances, the $1,000 of S's accumulated E&P would not tier up to P in the first year and P's E&P would not be adjusted for changes in S's E&P in the first year.