troposphere

noun 0.742

stratopause

noun 0.735

stratus

noun 0.681

lower atmosphere

noun 0.661

stratum

noun 0.654

ionosphere

noun 0.649

atmosphere

noun 0.647

ozone layer

noun 0.638

tropopause

noun 0.634

strata

noun 0.632

stratocumulus

noun 0.620

altostratus

noun 0.609

ozone

noun 0.600

stratigraphy

noun 0.592

stratification

noun 0.590

strop

noun 0.581

strut

noun 0.580

stratovolcano

noun 0.569

photosphere

noun 0.563

strath

noun 0.560

jet stream

noun 0.560

cirrostratus

noun 0.558

strontium

noun 0.557

aerostat

noun 0.556

stroma

noun 0.553

lithosphere

noun 0.552

geosphere

noun 0.547

biosphere

noun 0.547

altitude

noun 0.545

surface layer

noun 0.544

stratum spinosum

noun 0.541

nimbostratus

noun 0.534

surface boundary layer

noun 0.534

ozone hole

noun 0.533

stratum corneum

noun 0.532

astro

noun 0.530

outer space

noun 0.528

thermocline

noun 0.521

aeronomy

noun 0.521

sterol

noun 0.516

striatum

noun 0.513

stromatolite

noun 0.513

sky

noun 0.512

temperature inversion

noun 0.512

stridor

noun 0.512

thermostat

noun 0.512

astral plane

noun 0.511

anthroposphere

noun 0.511

horizon

noun 0.510

geospace

noun 0.510

atmospheric pressure

noun 0.509

stratum granulosum

noun 0.509

strait

noun 0.509

streptococcus

noun 0.506

tropospheric scatter

noun 0.506

strophe

noun 0.505

air strike

noun 0.505

straddle

noun 0.504

strep throat

noun 0.504

substratum

noun 0.504

weather balloon

noun 0.503

strafe

noun 0.503

strawberry

noun 0.503

aerosol

noun 0.502

stride

noun 0.502