Speed (Noun)
Meaning 1
The ratio of the focal length to the diameter of a (camera) lens system.
Classification
Nouns denoting relations between people or things or ideas.
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Meaning 2
Distance travelled per unit time.
Classification
Nouns denoting time and temporal relations.
Examples
- The speed of the car on the highway was measured to be 120 kilometers per hour.
- Her average speed during the marathon was an impressive 10 kilometers per hour.
- The plane's speed increased significantly as it began its descent.
- To avoid a fine, the driver carefully checked her speed to ensure it was within the limit.
- The cyclist's speed on the downhill slope was much faster than on the uphill climb.
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Meaning 3
Changing location rapidly.
Classification
Nouns denoting acts or actions.
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Meaning 4
A rate (usually rapid) at which something happens; "the project advanced with gratifying speed".
Classification
Nouns denoting attributes of people and objects.
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Meaning 5
A central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression.
Classification
Nouns denoting man-made objects.