Dodecahedron
Definition: Any polyhedron having twelve plane faces
Sesquipedalian
Definition: Something that is a foot and a half long, e.g. long words.
Ennead
Definition: A group or set of nine
Monorail
Definition: A railway system using a single rail
Hemisphere
Definition: Half of the Earth
Triskaidekaphobia
Definition: An abnormal fear of the number 13
Sextuplet
Definition: One of a group of six babies born from the same mother during the same birth
Heptathlon
Definition: An athletic contest in which each contestant participates in the following seven track and field events: 200-meter and 800-meter runs, 100-meter hurdles, shot put, javelin throw, high jump, and long jump
Duopoly
Definition: An economic condition in which power is concentrated in two groups
Hectare
Definition: A metric unit of area equal to 100 ares (2.471 acres).
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