Audible
Able to be heard
Monolingual
Able to speak only one language
Monologue
An extended or prolonged talk given by one person
Invisible
Unable to be seen
Auditorium
A place set aside in a theater,school,or building for the audience
Photosynthesis
The process by which plants gain energy from the sun.
Monotonous
Lacking in variety ;tedious, unchanging
Constructive
Tending to build up or improve
Thermal
Pertaining to or related to heat or temperature.
Infrastructure
The basic underlying framework of a building.
Photogenic
Having features that look good in a photograph.
Audition
A trial hearing/test given to a singer or actor who is looking for employment.
Destructive
Tending to destroy of break down
Visionary
A person or dreamer who often has some practical or lofty ideas or schemes.
Thermos
An insulating container that can keep objects hot or cold.