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
bar
Noun
—
A bar is a place that sells alcoholic drinks.
I'm going to drink beer at the bar.
—
A bar is the counter or bench in a hotel or bar where drinks are sold.
The waitress stood behind the bar and poured our drinks.
—
A bar is a box-shaped piece of something.
You can buy a bar of soap, or a bar of gold.
—
A bar is a long, hard thing that looks like a stick.
The prisoner was kept behind bars in the jail.
bar
Verb
—
To bar is to stop someone from doing something; to prohibit.
I was barred from entering the club.
—
To bar is to lock a door or window, or to block it so others can not enter.
I barred the door to stop her leaving the room.
bar
Preposition
—
except; not including
He's the fastest runner in the world bar none.