Expulsion of used air from the lungs is part of breathing.
Expulsion from school is a punishment for bad behavior.
Useful english dictionary. 2012.
pul|sion — «PUHL shuhn», noun. the act of driving or pushing forward. ╂[< Latin pulsiō, ōnis < pulsāre; see etym. under pulse1, verb (Cf. ↑pulse)] … Useful english dictionary
com|pul|sion — «kuhm PUHL shuhn», noun. 1. the act of compelling; use of force; force: »He can be made to take this medicine only by compulsion. A promise made under compulsion is not binding. SYNONYM(S): constraint, coercion. 2. a) an impulse that is hard to… … Useful english dictionary
im|pul|sion — «ihm PUHL shuhn», noun. 1. the action or fact of impelling; driving force: »The impulsion of hunger drove the man to steal. 2. the condition of being impelled. 3. Figurative. a mental impulse. 4. = impetus. (Cf. ↑impetus) ╂[< Latin impulsiō,… … Useful english dictionary
pro|pul|sion — «pruh PUHL shuhn», noun. 1. the act of driving forward or condition of being driven onward: »Propulsion before the wind in sailing ships was an ancient method of traveling. 2. a propelling force or impulse: »Most large aircraft are powered by… … Useful english dictionary
re|pul|sion — «rih PUHL shuhn», noun. 1. strong dislike or aversion: »a look of repulsion. SYNONYM(S): repugnance. 2. the action of repelling or condition of being repelled; repulse. 3. Physics. the tendency of particles or forces to increase their distance… … Useful english dictionary
com|pul|sion|ist — «kuhm PUHL shuh nihst», noun. an advocate of some form of compulsion, especially of compulsory military service … Useful english dictionary
self-pro|pul|sion — «SEHLF pruh PUHL shuhn», noun. movement forward or onward by one s own power: »The charter contains no instrument of self propulsion (New York Times) … Useful english dictionary
com·pul·sion — /kəmˈpʌlʃən/ noun, pl sions 1 [count] : a very strong desire to do something I gave in to one of my compulsions and ordered the chocolate dessert. often followed by to + verb He felt a compulsion to say something. 2 [noncount] 2 a : the act of… … Useful english dictionary
ex·pul·sion — /ıkˈspʌlʃən/ noun, pl sions 1 : the act of forcing someone to leave a place (such as a country or a school) : the act of expelling someone [count] The government engaged in mass expulsions. [noncount] He was threatened with expulsion (from the… … Useful english dictionary
pro·pul·sion — … Useful english dictionary
