What context can I use each word in?
Learn when and how to use these words with these examples!
tetras
Example
I just bought some neon tetras for my fish tank. [tetras: noun]
Example
The tetras in my aquarium are very active and colorful. [tetras: noun]
tetra
Example
A tetrahedron is a geometric shape with four triangular faces. [tetra: prefix]
Example
The cardinal tetra is a popular species of fish among aquarium enthusiasts. [tetra: noun]
Example
Tetramethylammonium is a tetraalkyl derivative of ammonium. [tetra: adjective]
Good things to know
Which word is more common?
Tetra is more common than tetras in everyday language, as it has broader usage and can be applied to various contexts. Tetras is more specific and is mainly used in the context of aquariums and fishkeeping.
What’s the difference in the tone of formality between tetras and tetra?
Tetra is more formal and technical than tetras, as it is used in scientific and technical contexts. Tetras has a more casual and informal connotation, as it is mainly used in the context of fishkeeping and aquariums.