having burst violently. To increase in number or amount very quickly.

Test performed to assess new ideas or theories. To create and perform tests to research something.

not same as another or each other.

without changing or stopping. as soon as.

the principal method of human communication, consisting of words used in a structured and conventional way and conveyed by speech, writing, or gesture. Words or signs used to communicate messages.

institution providing medical and surgical treatment and nursing care.

Touching or feeling something. People who can give you information, introductions. To get in touch with someone.

cement or mortar used to fill joints of brickwork or masonry. To indicate something with your finger to others.

To make clear or easy to understand by describing.

Hidden beneath the surface of something. part or side of something facing towards ground. Lower than, as in status; beneath.

News articles revealing secret information. make something visible.

device which detects or measures physical property and records. Device that detects movement or physical stimuli.

each of pair of hinged panels fixed inside or outside window that can be closed for security or privacy. To close the shutters over a window.