How to Pronounce Crackles

Crackles is pronounced "KRAK-ulz." The first syllable rhymes with "back," and the second syllable sounds like "ulz" (rhymes with "pulls"). Say it like you're describing the sound of something crunching or popping.

The first syllable gets the stress: KRAK-ulz (not krak-ULZ). A common mistake is putting the emphasis on the second syllable, but you should accent the "crack" part of the word.

Crackles breaks into two syllables: crack-les. Some people may naturally separate it as crack-ul-uz in slow speech, but the standard way is two syllables.

Crackles refers to short, popping or crackling sounds—like the noise of cereal in milk or static on a radio. In medical settings, it describes abnormal sounds a doctor hears when listening to someone's lungs with a stethoscope.

Yes! The word comes from the verb "to crackle," which means to make a series of sharp, snapping sounds. It's the same root as the "crack" sound you'd hear from a fire or breaking branches, just with the ending changed to describe multiple or continuous sounds.

Rales is an older medical term that means the same thing as crackles—the popping or crackling lung sounds. Modern doctors use "crackles" more often, but you may still hear "rales" in some older textbooks or from experienced clinicians.

Here's an example: "The doctor heard crackles when she listened to the patient's lungs with her stethoscope." Another example: "Fine crackles are different from coarse crackles in the way they sound."

Words like "crackle," "crackling," and "crackly" all share the same root. You might also hear "fine crackles" or "coarse crackles," which are ways doctors describe the quality or texture of the sound.