Vocabulary-in-Context

The planet Mercury is visible to the naked eye but is not the easiest planet to spot.

• unclothed

• unaided

• unarmed

Every atlas has its own legend.

• mythical story

• famous person

• explanation of symbols

Above the snowline, any mountain hollow is permanently occupied with snow.

• filled

• busy

• taken

The glass factories of Toledo, Ohio, boomed after Michael Owens invented a process that turned out bottles by the thousands.

• exploded

• resounded

• prospered

Dr. Rene Dubos, a French physician who came to the United States in 1924, searched for substances that would check the growth of bacteria.

• restrict

• investigate

The root of the horseradish plant has a biting taste.

• chewing

• sharp

• sarcastic

The double-bass is shaped like a viola and has a deep, rich tone.

• valuable

• resonant

• abundant

A public library is a resource the entire community can draw on.

• illustrate

• approach

• use

A business concern with two or more owners is referred to as a partnership.

• firm

• worry

Table salt is finer than rock salt.

• made up of smaller particles

• of better quality

• freer of impurities