population pyramid
noun
A roughly triangular figure on a level base, the width of which at any height indicates the numbers having an age proportional to that height; a population distribution.
Origin
1920s; earliest use found in American Journal of Sociology.
- moderato
- moderator
- moderatorial
- moderator lamp
- moderatorship
- moderatress
- moderatrix
- moderature
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- modern art
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- modern dancer
- modern-day
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- moderne
- modern English
- moderner
- modern first
- modern first edition
- Modern Greats
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- modernisable
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