You know what it looks like… but what is it called?
TAKE THE QUIZseconds pendulum
noun
: a pendulum requiring exactly one second for each swing in either direction or two seconds for a complete vibration and having a length between centers of suspension and oscillation of 99.353 centimeters at sea level in latitude 45 degrees
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Merriam-Webster unabridged
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- Before we went to her house, Hannah told us her aunt was a flibbertigibbet.


Can you make 12 words with 7 letters?
PLAY
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