Englishfor English speakers
introduction
Noun
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An introduction is the first or opening part
This is the introduction to the book.
The introduction to the first movement of the symphony is slow and majestic.
The winners received their prizes after their introductions to the audience.
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An introduction is when something is announced.
The winner of the prize will be announced during the introduction portion of the opening ceremonies.
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An introduction is a social process for making two people acquainted.
My introduction to Dr. Sagan was cordial.
Dr. Sagan was silent during our introduction.
Karen was responsible for my introduction to Dr. Sagan.
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A process for making someone familiar with a certain area, topic, or field.
Lisa's introduction to horseback riding was a disaster.
of
Preposition
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Made using.
It is a house of cards.
biology
Noun
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Biology is a type of science that studies living things like plants and animals.
It is required for students to study biology.
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The biology of an animal, plant, or other living thing is how its body works.
The biology of cats is different from that of dogs in several ways.