Englishfor English speakers
indicator
—
noun
(= index)
a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
—
noun
a signal for attracting attention
—
noun
a device for showing the operating condition of some system
—
noun
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
bed
Noun
—
A piece of furniture to sleep on.
At night, I go to bed.
—
The bottom of a river or ocean.
The fish was so far down in the water that it was touching the river's bed.
bed
Verb
—
To have sex with someone.
By the next week, Josh had bedded Tina and Holly.