tri
Pronunciation: [traɪ]
Word
Context: "mathematics"
(prefix) when you add three of something. Think of it like a group of three friends or something that has three sides, like a triangle.
Example
In math class, we learned that a triangle has tri, which means three sides.
Example
A rectangle does not have tri sides; it has four.
Example
Can you name an object that has tri corners?
Context: "numbers"
(prefix) means three. Like in the word tricycle, which is a bike with three wheels.
Example
My brother has a tricycle that he loves to ride around the park.
Example
She doesn't want a bicycle; she prefers a tricycle because it has tri wheels.
Example
How many wheels does a tricycle have?
Context: "science"
(prefix) used in biology to mean triple or three parts. Like in the word tricolor, which means three colors.
Example
The flag has tricolor stripes: red, blue, and white.
Example
The design only uses two colors; it is not a tricolor design.
Example
Can you see a tricolor flower in the garden?
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