Meanings

geochemistry

winning pitch

gyroscope

spherical coordinates

miniature light bulb

hot-air balloon

fastball

baseball fever

bases on balls and pitches striking the batsmen

return throw (esp. from an outfielder)

combination of (varied) pitches, serves, etc.

throw

wet and dry-bulb thermometer

ceremonial first pitch

water polo

slow ball

diplococcus

earth observation satellite

bait pitch

eyeball