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ululate
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ultrasonography
ul·tra·so·nog·ra·phy [ ùltrə sə nóggrəfee ]


noun 
Definition:
 
making pictures of hidden features: the use of ultrasound to make images of objects or features that cannot be seen, especially for the purpose of medical examination or diagnosis

ul·tra·son·o·graph·ic [ ùltrə sonə gráffik, ùltrə sōnə gráffik ] adjective
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