throttleable

[ throt-l-uh-buh l ]
/ ˈθrɒt l ə bəl /

adjective Rocketry.

capable of having the thrust varied.

Origin of throttleable

First recorded in 1955–60; throttle + -able
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019