Unit 9 Vocabulary

a long-distance race that has three parts: swimming, bicycling, and running

• Trilogy

• triathlon

• trimester

• trident

a series of three novels, movies, etc., that are closely related and involve the same characters or themes.

• trilogy

• triathlon

• trimester

• trident

a period of three months

• trilogy

• triathlon

• trimester

• trident

a fishing spear that has three points and that looks like a large fork

• trilogy

• triathlon

• trimester

• trident

a flat shape that has four sides and four angles

• quadrangle

• quartet

• quart

• quintuplet

a group of four singers or musicians who perform together

• quadrangle

• quartet

• quart

• quintuplet

a US customary unit of measurement for liquids

• quadrangle

• quartet

• quart

• quintuplet

a flat shape that has five sides and five corners

• quadrangle

• pentagon

• pentagram

• quintuplet

a shape that is like a star with five points formed by five straight lines

• quadrangle

• pentagon

• pentagram

• quintuplet

one of five babies that are born at the same time to the same mother

• trimester

• quartet

• pentagon

• quintuplet