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H   /eɪtʃ/   Listen
H

noun
1.
A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe.  Synonyms: atomic number 1, hydrogen.
2.
A unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second.  Synonym: henry.
3.
The constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second.  Synonym: Planck's constant.
4.
The 8th letter of the Roman alphabet.
5.
(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure.  Synonyms: enthalpy, heat content, total heat.



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"H" Quotes from Famous Books



... "Oh-h!" gasped Cordelia. "You mean you aren't Mrs. Lizzie Higgins—she that was Lizzie Snow of Sunbridge, New Hampshire, who eloped with Mr. Higgins and ran away to ...
— The Sunbridge Girls at Six Star Ranch • Eleanor H. (Eleanor Hodgman) Porter

... the other old man, and then a shiver of cold went through me. He was a famous physician, a professor, Mr. H——. I desire to lay stress upon it that he it was, for I had read two weeks before in the papers that he had died ...
— The Continental Classics, Volume XVIII., Mystery Tales • Various

... First treating of their Possibility; the Second of their Real Existence. By Joseph Glanvil, late Chaplain in Ordinary to His Majesty, and Fellow of the Royal Society. The third edition. The advantages whereof above the former, the Reader may understand out of Dr H. More's Account prefixed therunto. With two Authentick, but wonderful Stories of certain Swedish Witches. Done into English by A. Horneck DD. London, Printed for S.L. and are to be sold by Anth. Baskerville at the Bible, the corner of ...
— Among My Books - First Series • James Russell Lowell

... have seen a solitary, and perhaps unique, copy:-"Dissertationis ad quoedam loca Miltoni Pars Posterior; quam, adspirante Deo, Praesids Dn. Jacobo Schallero, S.S, Theol. Doct, et Philos. Pract. Prof., ad. h.t. Facult. Phil. Decano, solenniter defendet die[17] mens. Septemb. Christophorus Guentzer, Argentorat. Argentorati, Typis Friderici Spoor, 1657" ("Second Part of a Dissertation, on certain Passages of Milton; which, with God's favour, and tinder the presidency of James Schaller, Doctor ...
— The Life of John Milton, Volume 5 (of 7), 1654-1660 • David Masson

... of the school has been much assisted by the easy access to the fine collections of ancient embroideries in the Kensington Museum, and by the loan exhibition of old artistic work, which was there organized in 1875, at the suggestion of H.R.H. the President; and since then there have been three very interesting loan exhibitions in the rooms of the ...
— Needlework As Art • Marian Alford


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