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Reverse Search
Reverse Search allows you to search within the full text of dictionary entries for words, word parts, and phrases.
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Example: Searching for "apple orange" identifies all entries that contain the word "apple" or the word "orange."
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Example: Searching for "apple orange" identifies all entries that contain the word "apple" or "apples" or "orange" or "oranges."
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Example: Searching for "apple orange" identifies all entries that contain the word "apple" and the word "orange."
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Example: Searching for "a variety of apple" identifies all entries that contain that phrase. Searching for "app" identifies all entries that contain the letters "app," such as occurrences of "apple," "application," and "apply."
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| dosimeter |
a portable instrument that measures amounts of radiation, such as gamma rays or x-rays, to which a person has been exposed. |
| electromagnetic spectrum |
the entire range of electromagnetic frequencies from radio, the lowest, to gamma rays, the highest. |
| radiation sickness |
sickness induced by overexposure to ionizing radiation such as x-rays or gamma rays, resulting in nausea, diarrhea, bleeding, hair loss, sterility, and often death. |
| radiopaque |
of a substance, resistant to penetration by radiation such as x-rays or gamma rays. |
| rem |
a unit of radiation exposure, equal to approximately one roentgen of x-rays or gamma rays; roentgen equivalent man. |
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