two closed gates set in a vertical combination The racer can enter a hairpin by skiing over (higher than) the top pole (over-hairpin), or below the top pole (into-hairpin) of the first closed gate
A hairpin is the same as a hairpin bend. a pin made of wire bent into a U-shape to hold long hair in position
A sharp, 180 degree turn on a track; when viewed from above, it resembles a hair pin
A structure in which adjacent segments of DNA or RNA fold together and are stabilized by base pairing, creating a loop of single-strand DNA or RNA
A hairpin bend or a hairpin is a very sharp bend in a road, where the road turns back in the opposite direction. .hairpin 'turn a very sharp U-shaped curve in a road