dam1 noundam2 verb
damdam1 /dæm/ ●●○ noun [countable] 
Word OriginWORD ORIGINdam1
ExamplesOrigin:
1300-1400 Middle DutchEXAMPLES FROM OTHER DICTIONARIES
word sets- the Hoover Dam in Nevada
- A dam had saved the lake and its fish.
- A high dam would end their migration, irrevocably.
- Big, long icicles hanging from the eaves are not necessarily a sign of ice dams.
- He was absolutely convinced that building a dam in Yosemite Valley was the proper thing to do.
- The dam was finished and in service by September of 1941, an unbelievable sight.
- The dams etc may also have been designed to attract industry and so benefit the country in the long term.
- Work on the dam began in 1983 but was held up by economic and environmental objections.
WORD SETS► Civil
Collocationsaqueduct, nounbore, verbbore, nounborehole, nouncanalize, verbcivil engineering, nounculvert, noundam, noundam, verbdesalination, noundredge, verbdyke, nounpile, nounpile driver, nounpneumatic drill, nounpontoon, nounpontoon bridge, nounS-bend, nounsewer, nounsewerage, nounsteam shovel, nounstructural engineer, nounsump, nounsurveyor, nounwater main, nounwater tower, nounwaterworks, noun
COLLOCATIONS FROM THE CORPUSADJECTIVE► big
1a special wall built across a river or stream to stop the water from flowing, especially in order to make a lake or produce electricity2 technical the mother of a four-legged animal, especially a horse· A previous California resources secretary proposed building bigger dams on California's rivers as a solution to the water crisis.· We had few big dams in California then.· At one time my major ambition was to have my father buy me an excavator so that I could make really big dams.
► dental· So it's no wonder that we have heard very little about dental dams.· She and her partner, woman or man, need to know about dental dams.· Yet in Manchester, where I live, there is no freely available information about outlets for dental dams.
► high· There was the Black Canyon of the Gunnison, an almost sheer thousand-foot gorge with several sites for high dams.· At 357 feet high, the dam has grown by nearly a third.· The problem with a high dam, however, was Congress.· A high dam would end their migration, irrevocably.· It was not, however, a foundation for a low dam-it was the foundation of a high dam.· In the beginning, before construction began, a high dam was out of the question.
► hydroelectric· Reservoirs, rivers and snowpack are too low to power hydroelectric dams without further imperiling endangered salmon runs.· It has also promised not to build any new hydroelectric dams, the source of the rest of the country's electricity.
► ilisu· The decision on the Ilisu dam project would be the test case of its efficacy.· However, the local Kurds and outside pressure groups claim that the Ilisu dam would inundate much of the area including Hasankeyf.
► large· It documented the huge social costs of large dams, with up to 80m people dispossessed and millions more impoverished.· A very, very large dam.· In this chapter we shall examine the diffusion of three technologies to developing countries: microcomputers, hand pumps and large dams.· The largest arch support dam in the world, it measured nearly two hundred feet high and some two hundred feet long.· Its largest dam is San Luis in central California; its most magnificent dam is Hoover.
► low· The Bureau, however, was not interested in a low dam.· At that point, there was no question of intent; a low dam was specifically mentioned in the appropriation.· The contract also specified a low dam.
► new· Between 150 and 175 new dams will be needed.· So you threw up on their new dam.· Hundreds of new dams, diversions and canals are planned.· Beavers were making new dams in alfalfa fields.· It has also promised not to build any new hydroelectric dams, the source of the rest of the country's electricity.
NOUN► ice· Big, long icicles hanging from the eaves are not necessarily a sign of ice dams.· I am concerned about ice dams.· On houses with cold roofs, that melting occurs from the top down, without ice dams.· On houses with warm roofs, the melting occurs from the bottom up, creating the ice dam.· I have no icicles and no ice dam, but the snow must be three feet deep on my roof.· And, it causes ice dams on a few unfortunate abodes.· With ice dams come leaks through the roof into the attic and through ceilings, staining them and often doing more damage.· So, you wait, doing things later that will prevent ice dams in the future.
► project· In other countries smaller dam projects have created bodies of water in which mosquitoes thrive.· Following widespread protests the government announced the cancellation of the dam project in early March.· And the Government declared the dam project illegal - in spite of its expressed faith in co-operative ventures.· The decision on the Ilisu dam project would be the test case of its efficacy.
VERB► build· We can build dams, like the beaver, without love.· Mulholland, of course, knew this, but still refused to build the dam at Long Valley.· It has also promised not to build any new hydroelectric dams, the source of the rest of the country's electricity.· But it made no better sense, Johnson quickly added, for the Corps to build the dam instead.· Our churches and cathedrals rot while we build dams and factories to worship as objects.· It was quite another thing to build a dam, store the water, and make the desert bloom.· He was absolutely convinced that building a dam in Yosemite Valley was the proper thing to do.· The engineers would build the dam and the irrigation features and walk away from it.
► complete· Environmentalists fear that, if completed, the hydro-electric dam will severely disrupt the Danube ecosystem.
dam1 noundam2 verb
damdam2 verb (past tense and past participle dammed, present participle damming) [transitive] (also dam up) Verb TableVERB TABLE
dam
| Simple Form | ||
| Present | I, you, we, they | dam |
| he, she, it | dams | |
| Past | I, you, he, she, it, we, they | dammed |
| Present perfect | I, you, we, they | have dammed |
| he, she, it | has dammed | |
| Past perfect | I, you, he, she, it, we, they | had dammed |
| Future | I, you, he, she, it, we, they | will dam |
| Future perfect | I, you, he, she, it, we, they | will have dammed |
| Continuous Form | ||
| Present | I | am damming |
| he, she, it | is damming | |
| you, we, they | are damming | |
| Past | I, he, she, it | was damming |
| you, we, they | were damming | |
| Present perfect | I, you, we, they | have been damming |
| he, she, it | has been damming | |
| Past perfect | I, you, he, she, it, we, they | had been damming |
| Future | I, you, he, she, it, we, they | will be damming |
| Future perfect | I, you, he, she, it, we, they | will have been damming |
EXAMPLES FROM OTHER DICTIONARIES
word sets- The East Branch River was dammed in 1952.
- In 1933, the Columbia was by far the biggest river anyone had ever dreamed about damming.
- Kidneys clog with protein from damaged muscles, damming up toxins in the blood.
- The Northwest had plenty of smaller rivers, much more easily dammed.
- The Stanislaus River is dammed fourteen times on its short run to the sea.
WORD SETS► Civil
Collocationsaqueduct, nounbore, verbbore, nounborehole, nouncanalize, verbcivil engineering, nounculvert, noundam, noundam, verbdesalination, noundredge, verbdyke, nounpile, nounpile driver, nounpneumatic drill, nounpontoon, nounpontoon bridge, nounS-bend, nounsewer, nounsewerage, nounsteam shovel, nounstructural engineer, nounsump, nounsurveyor, nounwater main, nounwater tower, nounwaterworks, noun
COLLOCATIONS FROM THE CORPUSADVERB► up
1to stop the water in a river or stream from flowing by building a special wall across it2to stop something from being expressed or continuing: · Kidneys clog with protein from damaged muscles, damming up toxins in the blood.
NOUN► river· The contrasurvival engram is to the dynamics like a log jam which dams a necessary river.
Once she allowed her anger to show, it could not be dammed up again.