ultrasound

As nouns the difference between microwaves and ultrasound

is that microwaves is plural of lang=en while ultrasound is sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz.

As a verb microwaves

is third-person singular of microwave.

As a noun ultrasound is

(physics) sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz.

Echocardiographyampflash is likely misspelled.

Echocardiographyampflash has no English definition.

As a noun ultrasound

is sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz.

As nouns the difference between ultrasound and echogram

is that ultrasound is sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz while echogram is sonogram.

As nouns the difference between supersound and ultrasound

is that supersound is ultrasonic sound while ultrasound is sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz.