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We found 4 dictionaries that define the word flat line:

General (2 matching dictionaries)
  1. flat-line: Wordnik
  2. flat line: Wiktionary

Computing (1 matching dictionary)
  1. flat line: Encyclopedia

Medicine (1 matching dictionary)
  1. flat line: Medical dictionary

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Definitions from Wiktionary (Flat line)

▸ noun:  Alternative form of flatline. [(medicine, cardiology) An asystole; the absence of heart contractions or brain waves.]

Similar:
trendline, battle-line, endline, flat top, plot line, oneliner, flat-top, side-line, plumbline, centreline, more...

Opposite:
spike, peak, rise, increase, upsurge



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Similar:
trendline, battle-line, endline, flat top, plot line, oneliner, flat-top, side-line, plumbline, centreline, more...

Opposite:
spike, peak, rise, increase, upsurge



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