octa
Eight, in compounds
Octa- is a prefix meaning eight, from Greek.
An octagon has eight sides, an octopus has eight arms, and an octave spans eight notes.
The prefix appears in technical and scientific terms: octane, octet, octahedron.
Sometimes shortened to oct- before vowels.
Corner points of shapes
- sidesLateral edges or teams
- anglesRotation between intersecting lines
- symmetryInvariance under transformation
- polygonMultisided plane figure
regular · equilateral · convex · diagonals · perimeter · area · plane · figure
Set of eight
Tentacled marine mollusk class
- tentaclesFlexible grasping appendages
- armsUpper body limbs
- suckersEasily fooled people
- inkWriting fluid
camouflage · mollusk · beak · intelligence · mantle · siphon · invertebrate · deepsea
vertices
Corner points of shapes
- sidesLateral edges or teams
- anglesRotation between intersecting lines
- symmetryInvariance under transformation
polygon · regular · equilateral · convex · diagonals · perimeter · area · plane · figure · UFC
octad
Set of eight
cephalopod
Tentacled marine mollusk class
ink · camouflage · mollusk · beak · intelligence · mantle · siphon · invertebrate · deepsea · aquatic
interval
Duration between two points
harmony · music · diatonic · chromatic · register · range · span · doubling · frequency · unison
hydrocarbon
All-carbon-and-hydrogen compound
rating · isomer · combustion · organic · carbon · chain · molecule
- giant octopusOversized eight-limbed sea creature
- high octaneIntensely energetic or powerful
- October surpriseLast-minute campaign revelation
- blue-ringed octopusLethal spotted sea creature
- octane ratingFuel's anti-knock measurement
- Doctor Octopus
octopus, October, octagon, octave, octane, octagonal, octet, octant, octahedron