helices

coil

Wound circular arrangement

• curlSpiral or loop form
• twistRotating motion or surprise
• whorlSpiral arrangement of ridges

vortex · corkscrew · volute · gyre · swirl · scroll · winding · convolution · tendril · spire

rotor

Spinning mechanical assembly

• propellerRotating blades creating thrust
• airscrewAircraft thrust blade
• bladesSharp flat cutting parts

impeller · turbine · autogyro · gyrocopter · helicopter · drone · compressor · fan · pitch · rotation

DNA

Hereditary code molecule

• chromosomesGene-bearing nuclear structures
• genomeOrganism's total hereditary material
• nucleotideGenetic code subunit

adenine · guanine · cytosine · thymine · replication · polymerase · transcription · translation · recombination · mutation

parametric

Governed by set variables

• curveSmooth, angleless line
• tangentLine touching curve once
• cylinderCircular-based solid form

axis · pitch · radius · chirality · handedness · conical · cylindrical · torsion · curvature · three-dimensional

column

Vertical structural element

• balusterRailing support column
• newelRailing's supporting post
• rampSloped connecting surface

railing · bannister · Solomonic · minaret · turret · scaffolding

• curvescurve, arc, curves, curls, curl
• column partsshaft, base, capital, plinth, fluting
• Corinthian columnacanthus leaves, volutes, abacus
• supramoleculeshost-guest chemistry, self-assembly, encapsulation, host-guest, lariats
• Classical columnsDoric, Ionic, Corinthian, Tuscan, Ionic order