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Mercury

Mercury

30 4.4
The smallest planet that orbits closest to the Sun
  • proper noun
  • /ˈmɜrkjʊri/
translation icon : Mercurio
  • The planet Mercury, closest to the sun.
  • Mercury transit
  • planet Mercury
  • Mercury transits the Sun

I can feel the shadow of the planet Mercury drift across the failing fire.

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Examples

  • Then, in late November, Mercury enjoys its best morning appearance of the year.

    Academic text (2006)
  • Can anyone tell me why Mercury has only one day per year?

  • Mercury is the smallest of the planets.

  • Another bright speck started to grow in the screen's center: Mercury, the closest planet to the sun.

    Fiction book (2002)
  • The inner solar system has the planets Mercury, Venus, Earth, and Mars.

  • A spaceship is stranded on the planet Mercury outside of the libration areas.

  • At greatest elongation, Mercury displays a 7-diameter disk that's 40 percent lit.

    Academic text (2005)
  • Mercury is the smallest planet in the Solar System and orbits closest to the Sun.

  • The planet Mercury can be seen from Earth during certain times of the year.

  • Astronomers continue to study Mercury to learn more about its unique surface features.

Compounds

mercury poisoning
  • Specialized
4 4.1

A sickness caused by breathing or eating mercury that harms the body and brain

mercury fulminate
  • Specialized
1 9.9

A very sensitive explosive used in small caps to start larger explosions

1 4.4

A glass tube with mercury that rises to show temperature

millimeter of mercury
  • Specialized
1 5.0

A unit for measuring pressure used for blood pressure and barometers

1 5.9

The first American program to send a person into orbit around Earth

9.9

A poisonous white chemical once used to kill pests, clean wounds, and protect wood

9.9

A common plant with greenish flowers that grows in shady woods

9.9

A common woodland plant with paired leaves and small green flowers that is poisonous

fulminate of mercury
  • Specialized
9.9

A very sensitive explosive used in detonators and percussion caps

fulminating mercury
  • Specialized
9.9

A very unstable chemical that explodes easily when hit or heated and people use in small explosive devices

6.1

An instrument that measures air pressure by the height of mercury in a glass tube

mercury cell
  • Archaic
7.3

A small battery that uses mercury to give steady electric power, often used in old devices like hearing aids

mercury chloride
  • Specialized
7.6

A poisonous white chemical once used to kill pests and preserve wood

The first United States project to send a person into orbit around Earth

Containing mercury that can make people sick

A glass tube with mercury that measures body temperature

A glass tube containing mercury that rises to show temperature

mercury-vapor lamp
  • Specialized
6.5

A bright electric lamp that makes bluish light often used for streets and large indoor places

9.9

A small yearly weed once used in herbal medicine to make people throw up or pass water

A climbing plant with three joined leaves and white berries that makes a skin rash when you touch it

A small weed with round leaves that grows in open disturbed ground in North America

Surface Forms

Mercury main

Etymology

The planet Mercury was named after the Roman god Mercurius because it moves very fast across the sky like a 'messenger'. So the name fits the small, quick planet closest to the Sun.