Englishfor English speakers
a
Determinative
—
A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
—
A is the first letter of the alphabet.
The letter "a" comes before "b".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
higher
—
adjective
advanced in complexity or elaboration
higher finance
higher mathematics
—
adjective
of education beyond the secondary level
higher education
higher learning
incidence
Noun
—
The incidence of something is how often it happens.
blood pressure checks would reduce the incidence of heart disease and sudden heart attacks.
There is a surprisingly high incidence of theft in book stores.
of
Preposition
—
Made using.
It is a house of cards.
graft
Verb
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If you graft a piece of a plant onto another, you put it there so that they start to grow together.
graft
Noun
—
A graft is a piece of skin or plant that has been put onto a living thing so that they grow together.
failure
Noun
—
A failure is someone or something that fails, or does not achieve a goal.
I was a failure at my first job.
—
A failure is an attempt that does not succeed.
The rocket launch was a failure because of bad weather.