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PH   /pˈiˈeɪtʃ/   Listen
PH

noun
1.
(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).  Synonym: pH scale.



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"Ph" Quotes from Famous Books



... me his kinswoman, which I was glad of, but she is not at present well, but however I hope to have her. Thence to my Lord Chancellor's, and thence with Mr. Coventry, who appointed to meet me there, and with him to the Attorney General, and there with Sir Ph. Warwicke consulted of a new commission to be had through the Broad Seale to enable us to make this contract for Tangier victualling. So home, and there talked long with Will about the young woman ...
— Diary of Samuel Pepys, Complete • Samuel Pepys

... Specimens can be seen at Deerfield Memorial Hall. I have one with a hook and chain by which to hang it up, and a handled hook attached with which to clean out the grease. These lamps were sometimes called "brown-bettys," or "kials," or "cruiseys." A ph[oe]be lamp resembled a betty lamp, but had a shallow cup underneath to catch the ...
— Customs and Fashions in Old New England • Alice Morse Earle

... how to articulate words, and also how to read what other persons are saying by the motions of their lips. Graham Bell, his distinguished son, was educated at the high school of Edinburgh, and subsequently at Warzburg, in Germany, where he obtained the degree of Ph.D. (Doctor of Philosophy). While still in Scotland he is said to have turned his attention to the science of acoustics, with a view to ameliorate the deafness ...
— Heroes of the Telegraph • J. Munro

... Heinrich Hertz, Ph.D., was the first to detect electrical waves in the ether. He set up the waves in the ether by means of an electrical discharge from an induction coil. To do this he employed a very simple means. He procured a short length of wire with a brass knob at either end ...
— Marvels of Modern Science • Paul Severing

... a dinner to eat alone, viz., a good goose and a rare piece of roast beef. Thence to the Temple, but being there too soon and meeting Mr. Moore I took him up and to my Lord Treasurer's, and thence to Sir Ph. Warwick's, where I found him and did desire his advice, who left me to do what I thought fit in this business of the insurance, and so back again to the Temple all the way telling Mr. Moore what had passed between my Lord and me yesterday, and indeed my fears do grow that my Lord ...
— Diary of Samuel Pepys, Complete • Samuel Pepys


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