Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
gadget |
1 |
today |
a small tool or device with a clever design or unusual use. |
Kids |
Ch. |
poliomyelitis |
1 |
today |
a disease caused by a virus that attacks the spinal cord and damages the nervous system. Poliomyelitis affects mainly children and can lead to paralysis or deformed limbs. Jonas Salk invented a vaccine that prevents poliomyelitis. |
Kids |
Ch. |