Englishfor English speakers
biological
Adjective
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If something is biological, it is related to biology or life.
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Your biological parents are related to you by blood.
standard
Adjective
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If something is standard, it is typical or usual.
The store sells standard American food.
standard
Noun
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A standard is a quality that is the minimum or usual.
percent correct is the standard for an A at our school.
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A standard is a military or ceremonial flag carried on a pole or hoisted on a rope.