different between abduction vs obduction

English

Etymology

From Latin abducti? (“robbing; abduction”), from abd?c? (“take or lead away”), from ab (“away”) + d?c? (“to lead”). Equivalent to abduct +? -ion.

• (physiology): From French, from Latin abductus.
• Compare French abduction.

Pronunciation

• (Received Pronunciation) IPA^(key): /?b?d?k.?n?/
• (US) IPA^(key): /æb?d?k.?n?/, /æb?d?k.?n?/, /?b?d?k.?n?/
• (anatomy sense): (for emphasis and disambiguation from adduction) IPA^(key): /?e?.?bi?.d?k.?n?/

Noun

abduction (countable and uncountable, plural abductions)

1. Leading away; a carrying away. [Early 17^th century.]
2. (anatomy) The act of abducing or abducting; a drawing apart; the movement which separates a limb or other part from the axis, or middle line, of the body. [Mid 17^th century.]
   • 2013, Jain, MD, MSPH; Wilcox, PT; Katz, MD, MS; Higgins, MD, "Clinical Examination of the Rotator Cuff", PM&R Journal, retrieved from PubMed Central on 21 Jan 2018.

     Abduction is performed by asking the patient to raise the arm at the side as high as they can with the examiner stabilizing the scapula by holding it down.

3. (logic) A syllogism or form of argument in which the major premise is evident, but the minor is only probable. [Late 17^th century.]
4. (law) The wrongful, and usually forcible, carrying off of a human being. [Mid 18^th century.]

Usage notes

• In Gregg shorthand (version: Centennial, Series 90, DJS, Simplified, Anniversary, Pre-Anniversary) the word is represented: a - b - d - u - k - sh

Synonyms

• (legal, carrying off of human being): appropriation; kidnapping; seizure; withdrawal
• (logic): retroduction; abstraction

Antonyms

• (physiology): adduction

replacement; restitution; restoration; surrender; reinstatement

Derived terms

• alien abduction

Related terms

• abduce
• abduct
• abductive

Translations

References

French

Etymology

Learned borrowing from Latin abducti? (“robbing; abduction”), from abd?c? (“take or lead away”).

Pronunciation

• IPA^(key): /ab.dyk.sj??/

Noun

abduction f (plural abductions)

1. (physiology) Abductive movement; abduction.
2. (logic, computing) Abductive reasoning; abduction.

Further reading

• “abduction” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Interlingua

Etymology

From Latin abducti? (“robbing; abduction”), from abd?c? (“take or lead away”).

Noun

abduction (plural abductiones)

1. abduction

English

Etymology

Latin obductio; see Latin ob, ductio.

Noun

obduction (countable and uncountable, plural obductions)

1. (obsolete) The act of drawing or laying over, as a covering.
2. (largely obsolete) An autopsy.
3. (geology) The overthrusting of continental crust by oceanic crust or rocks from the mantle, such that the oceanic crust is thrust onto the continental crust, as occurs at a convergent plate boundary when the continental crust is caught in a subduction zone.
   • 2004, Gérard M. Stampfli, Gilles D. Borel, Chapter 3: The TRANSMED Transects in Space and Time, William Cavazza, François M. Roure, Wim Spakman, Gérard M. Stampfli, Peter A. Ziegler (editors), The TRANSMED Atlas: The Mediterranean Region from Crust to Mantle, Springer, page 73,

     Around Arabia - as well as in the Himalayas - these obductions completely obliterated the Neotethyan ocean, which in this time frame is represented only by a few exotic blocks and by Permo-Triassic pelagic sediments found at the sole of the Cretaceous ophiolites.

   • 2011, Wolfgang Frisch, Martin Meschede, Ronald C. Blakey, Plate Tectonics: Continental Drift and Mountain Building, Springer, page 72,

     These frictional forces slowed the obduction of the ophiolite onto the continental margin and obduction ceased after the nappe was transported 100–200 km.

Coordinate terms

• subduction

References

• obduction in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.