sympathetically aware of other people's feelings. When you get the meaning correctly; comprehension. To know the meaning of language, what someone says.

create or design.

rapid fall. To fall quickly, as from the sky.

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

breaking or falling apart into small fragments. To break into small parts or crumbs.

To think of and plan something.

Most complex and important.

To train in something through repetition.

of no value. not at all. Item of little or no value, importance, interest. Not anything, not a single thing.

(E.g. of plane cabin) being under pressure. To add pressure to something (e.g. a diving suit).

Hole made after drilling e.g. for oil or water.

relating to or using technology.

period of ten years. Periods of 10 years.

15.

Uninhabited wilderness worthless for cultivation.