hour


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hour

1. a period of time equal to 3600 seconds; 1/24th of a calendar day
2. Astronomy an angular measurement of right ascension equal to 15° or a 24th part of the celestial equator
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

hour

Symbol: h.
1. A unit of time equal to 60 minutes, i.e. 1/24 of a day.
2. A unit of angle equal to 15° of arc, i.e. 1/24 of a circle. See right ascension.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

hour

[au̇r]
(mechanics)
A unit of time equal to 3600 seconds. Abbreviated h; hr.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in classic literature ?
To make matters worse, this dangerous river travel could not be done in the dark, and their working day was reduced to the six hours of twilight.
Minutes--those minutes when she sent for him and he held her moist hand, that would squeeze his hand with extraordinary violence and then push it away--seemed to him hours, and hours seemed to him minutes.
For four hours nothing happened, and not a word said, except that now and then she said, 'Keep it up, Boy, keep it up, sweetheart; we'll save him!' I kept it up.
They rode on for an hour, till the horses were covered with foam and dust.
As Jurgis lay on his bed, hour after hour there came to him emotions that he had never known before.
The manner in which it was done so grossly uncivil, hurrying her away without any reference to her own convenience, or allowing her even the appearance of choice as to the time or mode of her travelling; of two days, the earliest fixed on, and of that almost the earliest hour, as if resolved to have her gone before he was stirring in the morning, that he might not be obliged even to see her.
I had to wait some hours; and when a later train finally deposited me at the nearest station to Limmeridge House, it was past ten, and the night was so dark that I could hardly see my way to the pony-chaise which Mr.
Away with thee, thou blissful hour! Rather harbour there--with my children!
But to give some figures of comparison, it has been reckoned that an object thrown from the top of the towers of Notre Dame, the height of which is only 200 feet, will arrive on the pavement at a speed of 240 miles per hour. Here the projectile must strike the earth with a speed of 115,200 miles per hour.
He accepts, and the pleasant talk and the beer flow for an hour or two, and by and by the professor, properly charged and comfortable, gives a cordial good night, while the students stand bowing and uncovered; and then he moves on his happy way homeward with all his vast cargo of learning afloat in his hold.
The distance between Suez and Aden is precisely thirteen hundred and ten miles, and the regulations of the company allow the steamers one hundred and thirty-eight hours in which to traverse it.
I was continually surrounded by the savages; I could not stir from one house to another without being attended by some of them; and even during the hours devoted to slumber, the slightest movement which I made seemed to attract the notice of those who shared the mats with me.