mercury
1 ENTRIES FOUND:
Britannica Dictionary definition of MERCURY
1
[noncount]
a
:
a silver metal that is liquid at normal temperatures
b
:
the mercury in a thermometer that shows the air's temperature
-
In the summer, the mercury can reach over 100 degrees Fahrenheit.
-
By late afternoon, the mercury had dropped (to) below zero.
2
Mercury
[singular]
:
the planet that is closest to the sun
