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Longman Dictionary of Contemporary English
half-hour
noun
COLLOCATIONS FROM OTHER ENTRIES
a free day/morning/half-hour etc
▪ I haven’t got a free day this week.
COLLOCATIONS FROM CORPUS
■ VERB
spend
▪ But the distribution of the supplies involves a tortuous journey and an agonising delay.Faqir spends another half-hour trying to revive the engine.
▪ I spent a half-hour recently putting together the ultimate birthday gift for my 5-year-old niece.
▪ Bewildered, I went over to the table and spent the next half-hour stalwartly drinking the two bottles.
EXAMPLES FROM OTHER ENTRIES
▪ I got off work a half-hour ago.
EXAMPLES FROM CORPUS
▪ But then it was a half-hour, then 40 minutes.
▪ In a half-hour audience the King's new National Government was created.
▪ Our hypothetical Ann could eat her packet of peanuts, for example, if she added three half-hour swims to her weekly routine.
▪ Probably walking for a half-hour through the terminal.
▪ She had gone well over the half-hour.
▪ The half-hour show uses these to the fullest, setting up straw man after straw man for Daria to demolish.
▪ There were beautiful paintings, musical tributes to the island, a rousing half-hour of drumming.
Douglas Harper's Etymology Dictionary
half-hour

early 15c., from half + hour. Related: Half-hourly.

Wiktionary
half-hour

n. 1 A period of time equal to thirty minutes. 2 The time of thirty minutes past any particular hour.

WordNet
half-hour

n. a half of an hour [syn: 30 minutes]

Usage examples of "half-hour".

In the last half-hour, as the two ships closed, the Biter signalled her intentions exceeding clearly, and the Noble Goring, as the trader was bizarrely named, ignored them with plodding insouciance.

For the purulent scrofulous ophthalmic inflammation of infants, by cleansing the eyes thoroughly every half-hour with warm water, and then packing the sockets each time with fresh Cabbage leaves cleaned and bruised to a soft pulp, the flow of matter will be increased for a few days, but a cure will be soon effected.

Except for the coquelicot ribbons and that towering headdress, she was again his own dear Deb, and he spent a blissful half-hour, walking with her down the many paths of the gardens, and telling her how much he loved her.

On nights when they did not go to Cush, and Declan went to bed, Helen sat by the fire relaxing, watching something on television in the half-hour before going upstairs.

Thus, we stocked our little overpriced kitchen with a motley assortment of foodstuff based on my half-hour crash course in diabetic nutrition and my half-baked notion of what the nutritionist had told me.

When the half-hour was up Doddy was reciting, and every body was talking and laughing and paying no heed.

He was conscience-ridden, and snatched exiguous half-hours for Mary and his beetles.

CHAPTER XIII During the next half-hour, Hamel was introduced to luxuries to which, in a general way, he was entirely unaccustomed.

When another disturbance came a half-hour later, Keak was there and ready.

They must reach the council hall of the lamasery as quickly as possible before the half-hour during which the spirit of Subhuti was permitted to roam in the outer ether was over, and muster there a sufficient number of priests to decide who should be the next chief abbot--yellow cap or red cap.

Just before sundown, Muese dug up the pig and spent a half-hour carving it, while others tended to the chicken and slabs of tuna and masi masi.

A half-hour later, Lee Harvey Oswald was arrested in a movie theater a half mile from the site of the Tippit murder.

A half-hour later I rode out of the city gate with the column that accompanied Kulan Tith upon the way to meet his friend and ally.

A half-hour later, with Turbo close beside her, Ellen crossed the open hallway to the bedrooms on the other side and latched the door quickly behind her.

Although I look at it at least every half-hour, the barometer will not go up.