Englishfor English speakers
flag
Noun
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A flag is a piece of cloth, usually marked with a colourful symbol or sign.
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A flag flown by a ship is to show the presence on board of the admiral (the leader of a group of ships); the admiral himself; or his flagship.
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The use of a flag, especially to show the start of a race or other event.
Be ready to start running immediately at the flag.
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On a computer, a flag is a variable or place in the computer's memory that keeps a true-or-false, yes-or-no value, usually either recording the fact that a certain event has happened or asking for a certain action to happen if it's an action that doesn't always happen.
flag
Verb
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If you mark with a flag, it shows the importance of something.
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(often with down) To signal to, especially to stop a car that's driving past, etc.
Please flag a taxi down for me.
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When a person flags, the person becomes weak, tired or feeble.
His strength flagged toward the end of the race.
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To signal or mark something that happened.
The compiler flagged three errors.
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To set the value of a variable in a computer program to true.
Flag the debug option before running the program.
metric
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adjective
(= metrical)
based on the meter as a standard of measurement
the metric system
metrical equivalents
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noun
(= system of measurement)
a system of related measures that facilitates the quantification of some particular characteristic
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noun
(= metric unit)
a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)
convert all the measurements to metric units
it is easier to work in metric
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noun
(= metric function)
a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
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adjective
(= measured)
the rhythmic arrangement of syllables