Englishfor English speakers
association
Noun
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An association is a way that two things are similar, belong together, or are connected or related.
I don't see any association between what happened to you and what happened to me.
I suspect there is an association between the weather and the number who are sick.
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An association is a group of people who have a common goal or interest.
The NBA stands for the "National Basketball Association."
I have been a member of the American Psychological Association and the American Speech-Language-Hearing Association.
All the teachers were at an association meeting.
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Association is the when you associate (spend time with certain people).
I'm afraid your association with those wild people will get you in trouble.
for
Preposition
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shows that something belongs to something else, or has a specific function
This cake is for you.
This is a net for catching fish.
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For is used to show the reason for something
He was angry, for he had never been called such terrible names before.
for
Subordinator
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For introduces a clause with a subject and a to-infinitive
It's not good for you to be too relaxed.
contemporary
Adjective
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If something is contemporary it is related to this time (now). Technically, this is an incorrect usage; better is to use "modern", "now" or "present-day".
The artist has a great knowledge of the sources of historical and contemporary art.
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If mathx/math is contemporary with mathy/math, they happened at about the same time.
They are sources that are contemporary or near contemporary with the period being studied.
contemporary
Noun
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Somebody's contemporary is a person who lived at or near the same time.
This is what made Marx so different from his socialist contemporaries.
music
Noun
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Written rules on how to play a piece of music, also called sheet music.
This book has the lyrics and the music to many children songs.
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Anything that sounds nice or interesting.
The music of the wind reached his ear.
Your words are music to my ears.