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Under water vs Underwater

under water—beneath the surface of the water: “I was flying!” Ben says. “And I could see things under water from the sky like turtles and coral reefs. It was good!” underwater —(attrib.) situated or utilized beneath the surface of the water: The underwater cable allows to fulfill the traffic needs of broad band telecommunications and […]

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Under the wire vs Under wire

under the wire—just before a deadline; at the last possible moment: Nancy mailed off her application, and it got in just under the wire. Note: The expression is not antonymous in meaning to the phrase over the wire—(dated) speaking on the telephone (also: on the wire): The second advertisement shows a Victorianlooking man speaking over […]

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Under heaven vs Under the sky

under heaven— 1. on earth; in the world: You travel for twenty miles over one of the most unfortunate, desolate countries under heaven. 2. is used to emphasize an interrogative sentence: And why under heaven should one write a history of anything—even a tramp dog!—without a sense of humor! under the sky— 1. (also: under […]

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Under ground vs Underground

under ground—below the surface of the ground: Attending college while working under ground is not a dream come true, but conductors are well paid. underground—(attrib.) 1. situated or taking place below the surface of the ground: This difference could have been the result of the unaccounted for flow of underground waters into the lake. 2. […]

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Under cover vs Undercover

under cover— 1. under a shelter protecting from rain, wind, etc: Monsieur had better come under cover. The “Bosches” are still firing this way. 2. (of police or secret service agents) operating in secret: He worked under cover … in some of the most important theaters of the Cold War. 3. (dated or formal) in […]

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Under arms vs Under the gun

under arms—said of people who are armed and prepared for fighting: Japan still had millions of troops under arms and thousands of combat aircraft. under the gun—acting under a lot of pressure: They did a great job, especially working under the gun with only a few months to get it organized and executed. Note: The […]

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Uncle Tom vs Uncle Tom Cobley

Uncle Tom—(U.S.) a Black man who defers to white people and regarded as betraying his social loyalty: I know exactly what you think of me. Also, I know all the words, most of them stupid—white nigger, Uncle Tom—as well as you. Note: The expression does not correlate in meaning with the phrase Aunt Tom—(sl.) a […]

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Umbrella pine vs Umbrella tree

umbrella pine— 1. (also: stone pine) a species of pine tree (Pinus pinea) with branches at the top spreading like an umbrella: The umbrella pine has been growing here for at least two thousand years. 2. a tall Japanese evergreen conifer tree (Sciadopitus verticillata) with an umbrella-like ring of leaves: The English name “umbrella pine” […]

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