Englishfor English speakers
moderate
Adjective
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If someone or something is moderate, it is balanced and not extreme.
The weather in Hawai'i tends to be quite moderate.
The moderate views in much of Canada are quite different from the extreme beliefs in some other countries.
moderate
Verb
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If something moderates, it becomes more moderate.
As he grew older, his ideas began to moderate.
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If someone moderates a meeting or discussion, they organise and control it.
a
Determinative
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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
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
neutron
Noun
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A neutron is a type particle in the nucleus (center) of an atom that is the largest out of all the particles in an atom, weighs the most and has no charge. There are sometimes different numbers of them in an atom, which make isotopes (atoms that have different numbers of neutrons). They can also change the atomic mass of an atom (how much an atom weighs).
Neutrons take up most of the space in an atom.