tropopause

noun 0.741

stratosphere

noun 0.735

mesopause

noun 0.642

stratocumulus

noun 0.570

troposphere

noun 0.560

stratovolcano

noun 0.555

altostratus

noun 0.538

strop

noun 0.525

stratus

noun 0.523

ionosphere

noun 0.522

ozone layer

noun 0.517

lower atmosphere

noun 0.506

stratigraphy

noun 0.501