Right pyramid

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Related to Right pyramid: tetrahedron
(Geom.) a pyramid whose axis is perpendicular to the base.

See also: Pyramid

References in periodicals archive ?
Java Pyramid game uses accelerometer to guide the bird into the right Pyramid by tilting the phone.
Among eight clusters United Arab Emirates forms separate cluster by itself (the right pyramid in Figure 12).
Like our own Healthy Eating Pyramid, the USDA's Eating Right Pyramid is designed (at least we hope so) to get people to eat more grains, fruits, and vegetables and less meat and diary.
A committee of leading nutritionists, after a year's work, came up with an "Eating Right Pyramid Graphic," which they believed projected the correct image in a single poster.
What's your opinion about the Eating Right Pyramid, the USDA food chart recalled after protests from the meat and dairy industries?