Matching Words
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Ultrasonics
- unknown - Science involving very high frequency sound waves.
Ultrasounds
- noun - using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
- very high frequency sound; used in ultrasonography
Ultraviolet
- adjective - having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays.
- having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; "ultraviolet radiation"; "an ultraviolet lamp"
- radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
Ulvophyceae
- noun - alternative name for the class Chlorophyceae in some classifications
Umbellifers
- noun - any of numerous aromatic herbs of the family Umbelliferae
Umbelliform
- adjective - resembling or in the form of an umbel
Umbilicated
- - Depressed in the middle, like a navel, as a flower, fruit, or leaf; navel-shaped; having an umbilicus; as, an umbilicated smallpox vesicle. (b) (Bot.) Supported by a stalk at the central point.
Umbriferous
- - Casting or making a shade; umbrageous.
Un-American
- adjective - considered contrary to the best interests of the United States
Unabashedly
- adverb - in an unabashed manner; "unabashedly, he asked for more"