helicoid
Coiled ramp geometry
A helicoid is a surface shaped like a spiral ramp—imagine a staircase that winds upward without steps, or a corkscrew blade.
In geometry, it's the surface traced by a line rotating around and moving along an axis simultaneously.
The term appears in biology for spiral shell structures and in architecture for helical ramps: The parking garage featured a helicoid design.
Curve winding around center
- whorlSpiral arrangement of ridges
- coilWound circular arrangement
- twistRotating motion or surprise
- curlSpiral or loop form
volute · scroll · gyre · corkscrew · fusilli · sinuous · convoluted · winding
Curve winding around center
- coilWound circular arrangement
- parametricGoverned by set variables
- surfaceOutermost boundary layer
- curveSmooth, angleless line
ruled · tangent · pitch · axis · rotation · torsion · curvature · differential
Hereditary code molecule
- chromosomeDNA strand carrying genes
- cochleaSpiral hearing organ
- nautilusChambered marine mollusk
- snailShelled, slow-moving mollusk
shell · tendril · vine · climber · nucleotide · replication · genetics · molecule
Rotating blades creating thrust
- screwThreaded metal fastener
- augerSpiral hole-maker
- turbineBlade-driven energy converter
- rotorSpinning mechanical assembly
blade · drill · fan · impeller · conveyor · Archimedes · threading · spindle
Indoor flight of steps
- rampSloped connecting surface
- GuggenheimArts institution, famous architect
- atriumRoofed central hall
- balustradeRail supported by posts
handrail · cantilever · parametric · organic · futuristic · dynamic · structure · sweeping
spiral
Curve winding around center
curl · volute · scroll · gyre · corkscrew · fusilli · sinuous · convoluted · winding · turbinate
spiral
Curve winding around center
- coilWound circular arrangement
- parametricGoverned by set variables
- surfaceOutermost boundary layer
curve · ruled · tangent · pitch · axis · rotation · torsion · curvature · differential · topology
DNA
Hereditary code molecule
- chromosomeDNA strand carrying genes
- cochleaSpiral hearing organ
- nautilusChambered marine mollusk
snail · shell · tendril · vine · climber · nucleotide · replication · genetics · molecule · conch
propeller
Rotating blades creating thrust
rotor · blade · drill · fan · impeller · conveyor · Archimedes · threading · spindle · vortex
staircase
Indoor flight of steps
- rampSloped connecting surface
- GuggenheimArts institution, famous architect
- atriumRoofed central hall
balustrade · handrail · cantilever · parametric · organic · futuristic · dynamic · structure · sweeping · ascending
helicoidplane
Winged flying vehicle
flat surface · straight · planar · rectilinear · linear
- helicopter seedWinged seed that spins
- helicopter parentsExcessively protective caregivers
- rescue helicopterAircraft for emergency extraction
- helicopter momsExcessively protective, controlling mothers
- helicopter gunshipsArmed military rotorcraft
- police helicopterLaw enforcement aircraft