Atmosphere (at' muh-sfir') n. The gaseous mass or envelope surrounding a celestial body, esp. Earth.
n. A unit of pressure equal to the air pressure at sea level.
n. Surroundings; environment.
n. A dominant tone or attitude.
[Gk. atmos, vapor + Lat. sphaera, sphere]
6
What is the meaning of the word atmosphere in the sentence below?

It takes a tremendous amount of energy to launch a shuttle beyond the atmosphere.
A.
definition 1 The gaseous mass or envelope surrounding a celestial body, esp. Earth.
B.
definition 3 Surroundings; environment.
C.
definition 2 A unit of pressure equal to the air pressure at sea level.
D.
definition 4 A dominant tone or attitude.

atmosphere (at' muh-sfir')

n. The gaseous mass or envelope surrounding a celestial body, esp. Earth.

n. A unit of pressure equal to the air pressure at sea level.

n. Surroundings; environment.

n. A dominant tone or attitude.

[Gk. atmos, vapor + Lat. sphaera, sphere]

6

What is the meaning of the word atmosphere in the sentence below?

It takes a tremendous amount of energy to launch a shuttle beyond the atmosphere.

A.

definition 1 The gaseous mass or envelope surrounding a celestial body, esp. Earth.

B.

definition 3 Surroundings; environment.

C.

definition 2 A unit of pressure equal to the air pressure at sea level.

D.

definition 4 A dominant tone or attitude

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