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 |
| propylene |
1 |
today |
a colorless combustible gas derived during the refining of petroleum and used in organic synthesis. |
Main |
Adv. |