Englishfor English speakers
edition
Noun
—
An edition of a book, computer program, etc. is a copy that has been or will be published with changes or in another form.
It was first published in 1857, with a second slightly amended edition in 1858.
The new paperback edition of the dictionary is coming out next week.
The author corrected it in later editions.
of
Preposition
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Made using.
It is a house of cards.
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.
—
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.
—
Anything that sounds nice or interesting.
The music of the wind reached his ear.
Your words are music to my ears.