a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic | an occupation for which you are especially well suited |
a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves | an intervening substance through which signals can travel as a means for communication |
any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom | a means or instrumentality for storing or communicating information |
the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies | (usually plural) transmissions that are disseminated widely to the public |
| the surrounding environment |
| someone who serves as an intermediary between the living and the dead |
| a state that is intermediate between extremes; a middle position |
| (bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms |
| (biology) a substance in which specimens are preserved or displayed |
| a liquid with which pigment is mixed by a painter |
| an intervening substance through which something is achieved |