IPA: //ˈʌltrəˌsmɔːl//
KK: /ˈʌltrəˌsmɔl/
Extremely or exceedingly small in size.
The new technology allows us to create ultrasmall devices that fit in the palm of your hand.
Ultrasmall → It is formed from "ultra-" (meaning beyond or extremely) and "small" (meaning little in size). The word "ultrasmall" describes something that is extremely small or beyond the usual small size.
Think of 'ultra-' meaning beyond, and 'small' meaning little. This helps you remember that 'ultrasmall' refers to something that is extremely little.