| conventional |
put in place by custom or use; traditional. |
| convertible |
able to be changed. |
| crevice |
a narrow opening, as in vertical rock or a wall; crack; fissure. |
| excessive |
more than is needed or considered fair; not reasonable. |
| experimental |
having to do with testing or experiments. |
| fluent |
able to speak or write easily and naturally. |
| hover |
to stay hanging in the air, often by quick flapping or spinning. |
| migration |
the act or process of moving to another region to live, especially in a group. |
| phenomenon |
a happening or fact that can be seen or known through the senses. |
| portent |
a sign of something important, and often disastrous, that is about to occur; omen. |
| quarantine |
the keeping of a person, animal, or thing away from others to stop a disease from spreading. |
| reckon |
to count or estimate; figure. |
| subdivide |
to make smaller divisions in something already divided. |
| tycoon |
a rich, powerful person in business or industry. |
| unify |
to make into a single unit or thing; bring together; unite. |