mercury
part of speech
noun (mercury — uncountable, the metal; Mercury — the planet, the Roman god)
meaning for a pupil
1) Mercury is a silvery metal that is liquid at room temperature; it was used in old thermometers. tree →
2) Mercury (with a capital M) is the planet closest to the Sun and the smallest planet in our Solar System. tree →
3) Mercury was the Roman messenger god, with wings on his sandals. tree →
sense in the lessons
In science, Mercury the planet orbits the Sun in 88 days; it has almost no air, so it is very hot by day and freezing at night; it has no moons and many craters. Mercury the metal is poisonous, so modern thermometers use other liquids or digital sensors; if an old thermometer breaks, do not touch the silver drops — tell an adult. «The mercury is rising» means the temperature is going up. Phrases: «planet Mercury», «mercury thermometer», «the mercury is rising».
examples
- Mercury is the closest planet to the Sun. tree →
- A year on Mercury lasts only 88 Earth days. tree →
- Mercury has no moons. tree →
- Mercury is a metal that is liquid at room temperature. tree →
- Old thermometers had mercury inside them. tree →
- Don't touch the mercury from a broken thermometer; it is poisonous. tree →
- The mercury rose to 40 degrees in Adelaide. tree →
- The god Mercury had wings on his sandals. tree →
note
Capital M for the planet and the god; small m for the metal. The planet's order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. Myth: Mercury is the closest to the Sun, but Venus, not Mercury, is the hottest planet, because of its thick atmosphere.
In the corpora
- Old glass thermometers may contain mercury, which is poisonous, so a grown-up must clean up a broken one.
- lundi comes from the Moon, mardi from Mars, mercredi from Mercury, jeudi from Jupiter and vendredi from Venus.
- Mining can poison rivers with acid and toxic metals such as mercury and arsenic.
- Mercury is the smallest planet and the closest to the Sun, a grey, cratered ball only a little bigger than our Moon.
- Mercury is the smallest planet and the closest to the Sun, only a little bigger than our Moon.
Trees and pragmatics
Every meaning and example of «mercury» parsed by Mova, each sentence with its dependency tree and frames.