IPA: /ˈθrɒtələbəl/
KK: /ˈθrɑːtələbəl/
Able to be controlled or adjusted in terms of power or speed.
The engine is throttleable, allowing for better fuel efficiency during different driving conditions.
Throttleable → It is formed from "throttle" (from Middle English *throtel*, meaning to control or regulate) and the suffix "-able" (meaning capable of being). The word "throttleable" means capable of being controlled or regulated.
Think of the word 'throttle' which means to control something, and remember that 'throttleable' refers to something that can be controlled.