Definition:Score

Definition

A score is another name for a set whose cardinality is $20$.

Historical Note

Biblical language often uses the word score when discussing ages:

The days of our years are three score years and ten; and if by reason of strength they be fourscore years, yet is their strength labor and sorrow; for it is soon cut off, and we fly away.

-- Psalm $90$: $10$

The term a score or scores is used in colloquial language to mean a moderately large number.

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $20$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $20$