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black body |
Noun
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a hypothetical object capable of absorbing all the electromagnetic radiation falling on it |
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blackbody |
Noun
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a hypothetical object capable of absorbing all the electromagnetic radiation falling on it |
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black hole |
Noun
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a region of space resulting from the collapse of a star |
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bladder stone |
Noun
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a calculus formed in the bladder |
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blood-brain barrier |
Noun
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a mechanism that creates a barrier between brain tissues and circulating blood |
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blue sky |
Noun
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the sky as viewed during daylight |
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blue air |
Noun
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the sky as viewed during daylight |
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b-meson |
Noun
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exceedingly short-lived meson |
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body of water |
Noun
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the part of the earth's surface covered with water (such as a river or lake or ocean) |
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bog |
Noun
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wet spongy ground of decomposing vegetation |
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bog |
Verb
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to get stuck while doing something |
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bog |
Verb
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to cause to slow down or get stuck |
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badlands |
Noun
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deeply eroded barren land |
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bolt-hole |
Noun
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a hole through which an animal may bolt when pursued into its burrow or den |
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borrow pit |
Noun
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a pit created to provide earth that can be used as fill at another site |
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bathyal zone |
Noun
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the steep descent of the seabed from the continental shelf to the abyssal zone |
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boson |
Noun
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any particle that obeys Bose-Einstein statistics but not the Pauli exclusion principle |
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bathyal district |
Noun
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the steep descent of the seabed from the continental shelf to the abyssal zone |
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bottomland |
Noun
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low-lying alluvial land near a river |
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barbecue pit |
Noun
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a pit where wood or charcoal is burned to make a bed of hot coals suitable for barbecuing meat |
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bottom quark |
Noun
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a quark with a charge of -1/3 and a mass about 10,000 times that of an electron |
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beauty quark |
Noun
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a quark with a charge of -1/3 and a mass about 10,000 times that of an electron |
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barrier island |
Noun
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a long narrow sandy island (wider than a reef) running parallel to the shore |
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barrier reef |
Noun
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a long coral reef near and parallel to the shore |
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boulder |
Noun
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a large smooth mass of rock detached from its place of origin |
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baryon |
Noun
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any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions |
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bowlder |
Noun
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a large smooth mass of rock detached from its place of origin |
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bilestone |
Noun
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a calculus formed in the gall bladder or its ducts |
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berg |
Noun
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a large mass of ice floating at sea |
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bogeyman |
Noun
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an imaginary monster used to frighten children |
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boogeyman |
Noun
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an imaginary monster used to frighten children |
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Buddha |
Noun
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one who has achieved a state of perfect enlightenment |
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bad fairy |
Noun
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a fairy that tends to cause harm |
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banshee |
Noun
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(Irish folklore) a female spirit who wails to warn of impending death |
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banshie |
Noun
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(Irish folklore) a female spirit who wails to warn of impending death |
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blackamoor |
Noun
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a person with dark skin who comes from Africa (or whose ancestors came from Africa) |
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beholder |
Noun
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a person who becomes aware (of things or events) through the senses |
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benefactor |
Noun
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a person who helps people or institutions (especially with financial help) |
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benefactress |
Noun
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a woman benefactor |
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booking clerk |
Noun
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someone who sells tickets (e.g., theater seats or travel accommodations) |
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boy |
Noun
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(ethnic slur) offensive and disparaging term for Black man |
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boy |
Noun
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a friendly informal reference to a grown man |
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boy |
Noun
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a youthful male person |
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boy |
Noun
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a male human offspring |
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bluenose |
Noun
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a native or inhabitant of Nova Scotia |
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broker |
Noun
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an individual who buys or sells for another in exchange for a commission |
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broker |
Verb
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to act as someone who sells or buys for another |
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buck sergeant |
Noun
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a sergeant of the lowest rank in the military |
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business agent |
Noun
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an agent who handles business affairs for another |
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boozer |
Noun
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a person who drinks alcohol to excess habitually |