pneumatic

adjective

pneu·​mat·​ic nu̇-ˈma-tik 

nyu̇-

1

: of, relating to, or using gas (such as air or wind):

a

: moved or worked by air pressure

b(1)

: adapted for holding or inflated with compressed air

(2)

: having air-filled cavities

2

: of or relating to the pneuma : spiritual

3

: having a well-proportioned feminine figure

especially : having a full bust

pneumatically

nu̇-ˈma-ti-k(ə-)lē 

nyu̇-

adverb

pneumaticity

ˌnü-mə-ˈti-sə-tē 

ˌnyü-

noun

Synonyms of pneumatic

• shapely
• plump
• curvaceous

Examples of pneumatic in a Sentence

a movie star who is remembered mainly as a pneumatic sex symbol of the 1950s

Recent Examples on the Web

The practice also flags rehab benefits, noting pneumatic compression devices can reduce swelling and pain for a quicker return. — Samantha Agate, Charlotte Observer, 14 Sep. 2026

Intermittent pneumatic compression is also used clinically to prevent DVT. — Samantha Agate, Sacbee.com, 14 Sep. 2026

One study of 12 healthy young adults found that appropriately timed intermittent pneumatic compression increased leg blood flow by about 52 mL/min during exercise and 59 mL/min during recovery, while also boosting stroke volume. — Samantha Agate, Fort Worth Star-Telegram, 14 Sep. 2026

However, as robot arms swivel, rotate, and extend, the electrical cables, fiber optics, and pneumatic hoses supplying them endure severe mechanical stress. — IEEE Spectrum, 3 Sep. 2026

Word History

Etymology

Latin pneumaticus, from Greek pneumatikos, from pneumat-, pneuma air, breath, spirit, from pnein to breathe — more at sneeze

First Known Use

1624, in the meaning defined at sense 2

Phrases Containing pneumatic

• pneumatic drill

Rhymes for pneumatic

• asthmatic
• chromatic
• climatic
• dogmatic
• dramatic
• ecstatic
• emphatic
• erratic
• eustatic
• fanatic
• hepatic
• lymphatic

Kids Definition

pneumatic

adjective

pneu·​mat·​ic n(y)u̇-ˈmat-ik 

1

: of, relating to, or using air, wind, or other gas

2

: moved or worked by air pressure

a pneumatic drill

3

: made to hold or be inflated with compressed air

pneumatic tires

pneumatically

-i-k(ə-)lē 

adverb

Etymology

from Latin pneumaticus "relating to or using air," from Greek pneumatikos (same meaning), from pneumat-, pneuma "air, breath"

Medical Definition

pneumatic

adjective

pneu·​mat·​ic n(y)u̇-ˈmat-ik 

: of, relating to, or using gas (as air): as

a

: moved or worked by air pressure

b

: adapted for holding or inflated with compressed air

c

: having air-filled cavities

pneumatic bone

pneumatically

-i-k(ə-)lē 

adverb