Look-up History
Your look-up history is saved temporarily in the session. Please log in to saved it in your own account, and subscribe for unlimited saving.
Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| acid |
1 |
today |
in chemistry, any of a group of substances that usu. dissolve in water, have a sour taste, and form salts in reaction with bases. (Cf. base.) [6 definitions] |
Main |
Adv. |