Meaning & use
tetra
Last updated
a small, often brightly colored freshwater fish popular in home aquariums.
See it in a sentence
He added a school of neon tetras to brighten up the fish tank.
Tetras are known for swimming together in tight schools.
A note on using this word
The word comes from the fish's scientific family name and is also a prefix meaning 'four' in scientific terms like 'tetrahedron,' though as a standalone word it refers to the fish.
Make it your own
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