Meaning & Definition of word "Tetra"
Tetra
/ˈtɛtrə/
noun:
- 1. A prefix meaning four.
- Example: The tetrahedron is a polyhedron with four faces.
- 2. Any of a genus of small freshwater fish from Central and South America, popular in aquariums.
- Example: Neon tetras are known for their vibrant colors and are a favorite among aquarists.
- 3. A term used in chemistry to denote a compound containing four equivalent parts.
- Example: Tetraethyllead was once used as an additive in gasoline.
adjective:
- 1. Denoting a molecule containing four of a specified type of atom.
- Example: The tetra-amine complex has four nitrogen atoms coordinated to a central metal.
- 2. Relating to a four-sided figure or structure.
- Example: The tetra structure of the crystal was discovered during the analysis.
Etymology
●From Greek 'tetra', meaning 'four'.
Common Phrases and Expressions
tetra pack:
A type of container for liquids, usually made from paperboard.
tetrahedron:
A solid shape with four triangular faces.
Related Words
tetrachloride:
A chemical compound containing four chlorine atoms.
tetrameter:
A line of verse consisting of four metrical feet.
Slang Meanings of tetra
Meaning: Referring to something that comes in fours.
● Example Sentence: That group of friends is a total tetra.
Meaning: Used to describe a four-part harmony in music.
● Example Sentence: The band played a tetra arrangement that sounded amazing.