significant figures meaning, significant figures definition | English Cobuild dictionary

Collins

significant figures

  
,   (esp. U.S.)   significant digits  
      pl n  
1    the figures of a number that express a magnitude to a specified degree of accuracy, rounding up or down the final figure  
3.14159 to four significant figures is 3.142     
2    the number of such figures  
3.142 has four significant figures         Compare       decimal place       2  
English Collins Dictionary - English Definition & Thesaurus  
Collins
significant  
      adj  
1    having or expressing a meaning; indicative  
2    having a covert or implied meaning; suggestive  
3    important, notable, or momentous  
4      (Statistics)   of or relating to a difference between a result derived from a hypothesis and its observed value that is too large to be attributed to chance and that therefore tends to refute the hypothesis  
     (C16: from Latin significare to signify)  
  significantly      adv  


significant figures   ,   (esp. U.S.)   significant digits  
      pl n  
1    the figures of a number that express a magnitude to a specified degree of accuracy, rounding up or down the final figure  
3.14159 to four significant figures is 3.142     
2    the number of such figures  
3.142 has four significant figures         Compare       decimal place       2  
significant other  
      n     (U.S.)  
informal   a spouse or lover  

English Collins Dictionary - English Definition & Thesaurus  

Collins

significant

  
1    denoting, eloquent, expressing, expressive, indicative, knowing, meaning, meaningful, pregnant, suggestive  
2    critical, important, material, momentous, noteworthy, serious, vital, weighty  
  
Antonyms     
   immaterial, inconsequential, insignificant, irrelevant, meaningless, nit-picking, nugatory, of no consequence, paltry, petty, trivial, unimportant, worthless  

English Collins Dictionary - English synonyms & Thesaurus  

Collaborative Dictionary     English Definition
exp.
When something is 'in the air', it means something exciting or significant is taking place or about to happen. Ex.: Spring is in the air - it's time for change!
v.
to cover with a thin layer of paint applied with a dry brush in order to soften or blur a figure or outline
an art term

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