Akademik

span
The amount, distance, or length between two points; the full extent or reach of anything.
- attention s. the length of time a person can concentrate on a subject.
- memory s. the maximum number of items recalled after a single presentation (auditory or visual).

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span 'span n
1) an extent of distance or of time esp LIFE SPAN
2) MEMORY SPAN

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(span) 1. a measurement of reach or extent. 2. the distance in a fully extended hand between the tips of the thumb and little finger. 3. the distance between the tips of the fingers with the upper limbs extended.

Medical dictionary. 2011.