What does TETRA mean?

Heres the output: Dictionary Entry: Tetra 1. Parts of Speech

Noun

2. Definitions

1. A tropical freshwater fish of the characin family that is typically kept in aquaria. (source: Oxford Languages)
2. A prefix meaning "four," used in the formation of compound words. (source: Dictionary.com)

3. Pronunciations

• US: /ˈtɛtrə/
• UK: /ˈtɛtrə/

4. Origin and Usage

The noun "tetra" originated in the late 19th century from modern Latin, from Greek tetra- four. It is commonly used to refer to a tropical freshwater fish of the characin family that is typically kept in aquaria. The prefix "tetra-" is used to denote the number four in compound words, such as "tetrahedron" or "tetrameter." (source: Oxford Languages and Dictionary.com)

5. Synonyms

Characin, Characin fish, Tetra fish

6. Related Words

Actor, After, Alert, Alter, Aorta, Artel, Aster, Atria, Atrip, Barer, Baser, Bater, Bator, Beater, Blare, Blase, Blate, Bleat, Boart, Brace, Bract, Braid, Brain, Brand, Brank, Brant, Brave, Brawl, Brawn, Brayl, Bread, Break, Bream, Brent, Brier, Brine, Brisk, Brits, Broil, Brome, Bronc, Brook, Broom, Brose, Brusk, Caper, Caret, Carle, Carob, Carom, Carpi, Carry, Carte, Carve, Cater, Cedar, Cella, Ceorl, Cerci, Cered, Ceres, Ceria, Ceric, Ceros, Chare, Chart, Chary, Cheer, Chert, Chirk, Ch