subingression

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English[edit]

Etymology[edit]

From sub- +‎ ingression.

Noun[edit]

subingression (uncountable)

  1. (obsolete) The act of ingressing or entering subtly or unobservedly. [17th c.]
    • 1659 December 30 (date written), Robert Boyle, “[Experiment 37]”, in New Experiments Physico-Mechanicall, Touching the Spring of the Air, and Its Effects, (Made, for the Most Part, in a New Pneumatical Engine) [], Oxford, Oxfordshire: [] H[enry] Hall, printer to the University, for Tho[mas] Robinson, published 1660, →OCLC, pages 312–313:
      [T]vvo very volatile Liquors, vvhich being gently put together are as clear as Rock-vvater, and yet vvill almoſt in a moment, vvithout the ſub-ingreſſion of Air to turn them into Bubbles, ſo alter the diſpoſition of their inſenſible parts, as to become a vvhite and conſiſtent Body.

Further reading[edit]