1 + 2 = 3 syllables
Pressure has two syllables: pre-ssure.
there are two syllables in pressure
There are three syllables. Air - cas-tle.
4 syllables. warm - sum - er - air
"Air conditioner" has five syllables. Air-con-di-tion-er.
There are 4 syllables in "Stationary". Stationary (Stay-Shun-air-ee) 4 syllables
One.
There are four syllables: dict-shun-air-ee.
It is different in that the seas don't have air pressure. No air; no air pressure.
Air pressure affects air movement because air moves from high pressure to low pressure. The air pressure pushes or will press the air around.
One
The moon has no air pressure because the moon has no air.