| A | B |
|---|
| rapt | completely fascinated by what one is seeing or hearing |
| errant | straying from the proper course or standards |
| concussion | a violent shock as from a heavy blow |
| tarmac | a runway or other area surfaced with crushed rock mixed with tar |
| nebula | any indistinct bright area in the night sky, for example, a distant galaxy |
| knead | massage or squeeze with the hands |
| centrifuge | a machine with a rapidly rotating container that applies centrifugal force to its contents, typically to separate fluids of different densities (e.g., cream from milk) or liquids from solids |
| mote | a tiny piece of a substance |
| tamp | ram or pack (a substance) down or into something firmly |
| vain | having or showing an excessively high opinion of one's appearance, abilities, or worth |
