subduct

Verb

subduct (third-person singular simple present subducts, present participle subducting, simple past and past participle subducted)

1. (transitive) To push under or below.
   • The upper tectonic plate had been subducting the lower one for millions of years by the time the eruption happened.
2. (intransitive) To move downwards underneath something.
   • This tectonic plate had been subducting for millions of years by the time the eruption happened.
   • For example, if two trenches remained fixed relative to the local parts of the mesosphere into which they were subducting and if these two parts of the mesosphere were moving relative to each other, then the positions of the two trenches would move in the fixed reference frame. However since on...2009 [1986], Allan Cox, Robert Brian Hart, “Absolute plate motion”, in Plate Tectonics: How It Works, Blackwell Scientific, →ISBN, page 355
3. (otherwise uncommon) To remove; to deduct; to take away; to disregard.
   • He wished to subduct the caveat that he had entered earlier.
   • Should it be desired to subduct the caveat the party entering it or his clerk, on producing the receipt, writes in the margin of the caveat "I subduct this caveat," and signs his name.
     If deceased had a residence within the limits of a district registry notice of the caveat is sent to such...1892, Louis Diston Powles, Thomas William Henry Oakley, “Chapter XXIII: Of practice and pleading in the probate division in contentious business—caveats”, in The Law and Practice Relating to Probate...