from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun One regarded as the initial source of energy directed toward a goal.
- noun The initial force, such as electricity, wind, or gravity, that engages or moves a machine.
- noun A machine or mechanism that converts natural energy into work.
- noun Any of various heavy-duty trucks or tractors.
- noun Philosophy In Aristotelian philosophy, the self-moved being that causes all motion.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun philosophy The
initial agentthat is the causeof all things.
- noun A
machine, such as a water wheelor steam engine, that receives and modifies energy as supplied by some natural source or fuel and transforms it into mechanical work
- noun automotive The front part of a
semi-trailertype truck, i.e., the tractorto which the trailer part attaches.
- noun US A
militaryor heavy construction vehicle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an agent that is the cause of all things but does not itself have a cause
from Wiktionary, Creative Commons Attribution/Share-Alike License
Originally in translation of Latin primum mobile.
Sorry, no example sentences found.