helix HEE-liks noun WS #22
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noun
a three-dimensional curve like that of a corkscrew or spiral staircase; a spiral curve or twisted structure
- The DNA molecule forms a double helix structure that carries genetic information.
- The architect designed a striking helix staircase that spiraled up to the second floor.
- The shell of the nautilus displays a perfect natural helix pattern.
- The spring coiled in a tight helix formation, ready to release stored energy.
- The protein folded into a complex helix shape that determined its biological function.