subnotebook

[ suhb-noht-book ]
/ ˈsʌbˌnoʊt bʊk /

noun

a laptop computer smaller and lighter than a notebook, typically weighing less than 5 pounds (2.3 kilograms).

Origin of subnotebook

An Americanism dating back to 1990–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020