Tetra

/ˈtɛtrə/

Meaning & Definition

noun

A prefix meaning four.

The tetrahedron is a polyhedron with four faces.

Any of a genus of small freshwater fish from Central and South America, popular in aquariums.

Neon tetras are known for their vibrant colors and are a favorite among aquarists.

A term used in chemistry to denote a compound containing four equivalent parts.

Tetraethyllead was once used as an additive in gasoline.

adjective

Denoting a molecule containing four of a specified type of atom.

The tetra-amine complex has four nitrogen atoms coordinated to a central metal.

Relating to a four-sided figure or structure.

The tetra structure of the crystal was discovered during the analysis.

From Greek 'tetra', meaning 'four'.

tetra pack:

A type of container for liquids, usually made from paperboard.

tetrahedron:

A solid shape with four triangular faces.

Referring to something that comes in fours.

That group of friends is a total tetra.

Used to describe a four-part harmony in music.

The band played a tetra arrangement that sounded amazing.