Englishfor English speakers
theorem
—
noun
a proposition deducible from basic postulates
—
noun
an idea accepted as a demonstrable truth
on
Preposition
—
positioned at the upper surface of, touching from above
The apple is on the table.
—
at the date of
Tim was born on the 4th of July.
—
along, forwards (continuing an action)
drive on, rock on
—
about, dealing with the subject of
I have a book on history.
There was a World Summit on the Information Society a few weeks ago.
—
touching; hanging from
I have no money on me at the moment.
I would like to eat the fruit on the trees.
—
because of, due to
He was arrested on suspicion of bribery.
I contacted Joanne on a hunch that she would know about it.
The stock price increased on news of a new product.
on
Adjective
—
If something is on, it is active, functioning or operating.
The television is on.
The lights are on, so it is very bright.
constant
Adjective
—
If something is constant, it doesn't change over time.
I have this constant pain in my back. I wish it would stop.
The rain has been constant all morning.
constant
Noun
—
A constant is a value that doesn't change.
In the formula math7x^2+3y+5=z/math, 5 is a constant.