Appulse

Appulse

Appulse is an astronomical term that refers to the very near approach of one celestial object to another, as seen from a third body. Usually it refers to the close approach of two planets together in the sky, or of the Moon to a star or planet as the Moon follows its monthly orbit around Earth, as seen by an observer located on Earth. An "appulse" can also be referred to as a conjunction.

Where the celestial bodies come so close together that one actually passes over the other, the event is known as an occultation.


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  • Appulse — Ap pulse (?; 277), n. [L. appulsus, fr. appellere, appulsum, to drive to; ad + pellere to drive: cf. F. appulse.] 1. A driving or running towards; approach; impulse; also, the act of striking against. [1913 Webster] In all consonants there is an… …   The Collaborative International Dictionary of English

  • appulse — əˈpəls, aˈp , ˈaˌp also lts noun ( s) Etymology: Latin appulsus driving forward, approach, from appulsus, past participle of appellere to drive toward, strike against, from ad + pellere to drive, beat, push more at felt 1. : a driving or running… …   Useful english dictionary

  • appulse — appulsive, adj. appulsively, adv. /euh puls /, n. 1. energetic motion toward a point. 2. the act of striking against something. 3. Astron. the approach or occurrence of conjunction between two celestial bodies. [1620 30; < L appulsus driven to,… …   Universalium

  • appulse — noun a) An energetic movement towards or against something b) conjunction or occultation …   Wiktionary

  • appulse — n. Collision, meeting, impact, shock jar, impulse, impulsion, appulsion, striking, striking together, coming together …   New dictionary of synonyms

  • appulse — ap·pulse …   English syllables

  • appulse —   n. act of striking against; Astronomy, close approach of two celestial objects …   Dictionary of difficult words

  • lunar appulse — noun : penumbral lunar eclipse …   Useful english dictionary

  • pulse — appulse compulse expulse propulse pulse …   Dictionnaire des rimes

  • Approach — (Roget s Thesaurus) >Motion towards. < N PARAG:Approach >N GRP: N 1 Sgm: N 1 approach approach approximation appropinquation Sgm: N 1 access access Sgm: N 1 appulse appulse Sgm: N 1 afflux afflux affluxion …   English dictionary for students

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