Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| understanding |
1 |
today |
the ability to understand; thinking; intelligence. [6 definitions] |
Kids |
Ch. |
| physics |
1 |
today |
(used with a singular verb) the science that deals with matter and energy, their qualities, and the relationships between them. Physics includes the study of light, heat, sound, electricity, and force. |
Kids |
Ch. |
| air |
1 |
today |
the mixture of gases that surrounds the earth. Air is made up of oxygen, nitrogen, and other gases, and has no taste, odor, or color. [6 definitions] |
Kids |
Ch. |
| office |
1 |
today |
a place where business or professional work is done. [3 definitions] |
Kids |
Ch. |
| perspire |
1 |
today |
to give off moisture through the pores of the skin; sweat. |
Kids |
Ch. |
| space |
1 |
today |
the area that contains the entire material world and its events. [7 definitions] |
Kids |
Ch. |