Something that exists and can be seen, felt, tasted, etc., especially something unusual or interesting plural: phenomena “The northern lights are an atmospheric .....'
Phenomenon
15
System of ideas intended to explain something, especially one based on general principles
Theory
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Found in, or produced by the sea
Marine
15
A large rotating storm with high-speed winds that forms over warm waters in tropical areas
Hurricane / Typhoon
15
A biological community of interacting organisms and their physical environment
Ecosystem
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To give support or relief to / To supply with sustenance
Sustain
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a public procession, especially one celebrating a special day or event and including marching bands and floats
Parade
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a pipe usually in the street that provides water especially for putting out fires
Fire hydrant
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a machine next to a parking space in a street, into which the driver puts money to be authorized to park the vehicle for a particular length of time
Parking meter
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a marked part of a road where pedestrians have right of way to cross
Pedestrian crossing / crosswalk
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the hard surface of a road or street
Pavement / Sidewalk
15
a large outdoor board for displaying advertisements