Definitions On Context

a) The altimeter, an instrument which measures vertical distance with respect to a reference level, was invented by the French physicint Louis Paul Cailletet.

b) Mercury, which is the silvered-colored metal used in thermometers, is usually in a liquid form.

c) Alfred Wegener, a German meteorologist, constructed the first detailed and all-inclusive theory of continental drift.

d) Pachinko, a kind of pinball machine which is so popular in Japan, has never really caught on in America. In the U.S. other forms of gambling seem to meet more with public favor. Especially popular ones are casinos which offer a variety of games at which one can test his fate and try his luck.

e) Samuel Filey Breese Morse spent twelve years perfecting his own version of André Ampère idea for an electric telegraph. However, this inventor is best known for his Morse code, a system of telegraphic signals composed of dots and dashes.

The dots represent a very brief depression of the telegraph key: The dash represents a depression three times as long as the dot. Different combinations of dots and dashes are used to code the alphabet, numeral and some punctuation.

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NOUN WHAT –WHO- IS IT?

Altimeter An instrument which measures vertical distance with respect to a reference level

A German meteorologist

A system of telegraphic signals composed of dots and dashes

A kind of pinball machine which is so popular in Japan

Silvered -colored metal used in thermometers

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