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ultrafine

/ˌʌltrəfaɪn/

Meanings
adjective
(of particles) Very fine

Examples :

"The air purifier helps remove ultrafine dust particles from the room, making it healthier to breathe. "
material science technology

Related Words

Illustration helps

helps noun

/hɛlps/

Action given to provide assistance; aid.

"I need some help with my homework."

Illustration from

from preposition

/fɹɒm/ /fɹʌm/

Used to indicate source or provenance.

"I got a letter from my brother."

Illustration healthier

healthier adjective

/ˈhɛlθiər/ /ˈhɛlθijər/

Enjoying health and vigor of body, mind, or spirit: well.

"He was father to three healthy kids."

Illustration room

room noun

/ɹuːm/ /ɹum/

Opportunity or scope (to do something).

"The new program at school gives students more room for creativity in their projects. "

Illustration dust

dust noun

/dʌst/

Fine particles

"A thick layer of dust covered the old book. "

Illustration particles

particles noun

/ˈpɑːtɪkl̩z/ /ˈpɑɹtɪkl̩z/

A very small piece of matter, a fragment; especially, the smallest possible part of something.

"Dust particles floated in the sunbeam coming through the window. "

Illustration making

making noun

/ˈmeɪkɪŋ/

The act of forming, causing, or constituting; workmanship; construction.

"The intricate making of the model airplane showcased the student's skill. "

Illustration very

very adjective

/ˈvɛɹi/

True, real, actual.

"He tried his very best."

Illustration the

the adverb

/ði/ /ˈðiː/

With a comparative or with more and a verb phrase, establishes a correlation with one or more other such comparatives.

"It looks weaker and weaker, the more I think about it."

Illustration remove

remove noun

/ɹɪˈmuːv/

The act of removing something.

"The removal of the old furniture was a big project for the family. "

Illustration fine

fine noun

/fæːn/ /faɪn/ /ˈfiːneɪ/

Fine champagne; French brandy.

"My grandfather brought a bottle of fine champagne for the family celebration. "

Illustration breathe

breathe verb

/bɹiːð/ /bɹið/

To draw air into (inhale), and expel air from (exhale), the lungs in order to extract oxygen and excrete waste gases.

"Before the big presentation, Sarah took a deep breath and felt more calm. "