ultrasonic

/ˈʌltrəˌsɑnɪk/
IPA guide

Definitions of ultrasonic
  1. adjective
    of or involving frequencies above those of audible sound
    synonyms: supersonic
    inaudible, unhearable
    impossible to hear; imperceptible by the ear
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Word Family

Vocabulary lists containing ultrasonic

"Animal Snoops," Vocabulary from the informational text

As you read Peter Christie's "Animal Snoops: The Wondrous World of Wildlife Spies," learn this word list. Here are links to lists for texts in Grade 6's Collection 2: The Mixer, Tribute to the Dog, Animal Wisdom and The Last Wolf, How Smart Are Animals?, Animal Snoops

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