1. (

• estimate ,
• estimation ,
• approximation ,
• idea ,

) an approximate calculation of quantity or degree or worth; "an estimate of what it would cost"; "a rough idea how long it would take" ;

2. (

• approximation

) the quality of coming near to identity (especially close in quantity) ;

3. (

• approximation

) an imprecise or incomplete account; "newspapers gave only an approximation of the actual events" ;

4. (

• approximation ,
• bringing_close_together

) the act of bringing near or bringing together especially the cut edges of tissue ;