propulsion
/pɹəˈpʌlʃən/
Word Rarity
Rare
Frequency: Zipf frequency 3.46 in modern English
14
Scrabble Score
10
Letters
3
Syllables
8
Unique Chars
Meaning
noun
The process of propelling, driving, or pushing, typically forward or onward; a propulsive force or impulse.
Countable; Uncountable
Example Sentences
- "However, nuclear propulsion provides a very high specific impulse and consistent, long duration energy source."
- "This propulsion provides an initial velocity for the vehicle in a short time span."
- "Solar-electric propulsion accelerates a spacecraft by means of a low-thrust ion jet."
Etymology
Borrowed from Medieval Latin propulsio, propulsionis, from the past participle of Latin propello (“to drive forward, drive forth, drive away, drive out”).
Origin
- Source language: Latin
Word Breakdown
- Root: propulsio, propello