the.com/incline

a slope's polite way of asking your lungs for a word.

means To lean, slope, or be disposed toward something — whether a hill tilting from level ground or your mind tilting toward a choice.

from From Latin inclinare, "to lean toward," built from in- ("toward") and clinare ("to bend or lean"). That clinare is a deep root — a cousin of the Greek klinein, the same ancestor that leans into "recline," "decline," and even "climate" (originally the slope of the earth toward the poles). It reached English through Old French encliner before settling into its current spelling.

hidden math
Grade percent equals rise divided by run.
steepest road
New Zealand's Baldwin Street hits 35 percent grade.
body trick
Walking uphill burns far more than flat ground.
word root
From Latin inclinare, meaning to lean toward.
rail cousin
Funiculars are railways built entirely to defeat inclines.
for instance

great orme tramway — victorian funicular railway in wales with 1 in 4 gradient, operating since 1902

mount washington cog railway — new hampshire's rack railway with 37.41% grade, steepest in the world

steep street san francisco — filbert street in san francisco at 31.5% gradient, one of steepest streets in usa

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