h
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
How often you will meet it
Rank 2,362 of 71,295 words measured. It occurs 7,325 times across 139,755 chapters — 0.003% of every word in the library.
What it means
noun
- 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 also: hydrogen, atomic number 1
- 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 also: henry
- the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second also: Planck's constant
- the 8th letter of the Roman alphabet
- (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure also: heat content, total heat, enthalpy enthalpy is the amount of energy in a system capable of doing mechanical work
h in real books
Each sentence below was written by a published author and is taken from a different book in our library. Open one to read the passage it came from, with narration.
-
H. Charnsworth Baldwin said yes, he knew.
Half Portions · Edna Ferber · Chapter 1
-
Mars rises through the month at 31/2 h. morning.
The Mirror of Literature, Amusement — No. 271 · Various · Chapter 1
-
British and European subscribers should address B.H. Blackwell, Broad Street, Oxford, England.
The Vanity of Human Wishes (1749) and Two · Samuel Johnson · Chapter 1
-
H. Y. Hind, in Explorations in the Interior of the Labrador Peninsula (ii.
Pennsylvania Pilgrim, and other poems Part 6 From — Volume I · John Greenleaf Whittier · Chapter 1
-
I was in Hartford two or three days as a guest of the Rev. Joseph H. Twichell.
How to Tell a Story, and Other Essays · Mark Twain · Chapter 1