Elidable

an elidable vowel

[…] and its being expired, and attaining Possession, are matters of Fact, requiring Probation, which are improper for an Inquest, and elidable, by a reply of Payment, or Intromission within the Legall, and Strowan was Served with Reservation of the Marquess Right, as accords of the Law.

That Sheridan himself did ever read out this couplet as it must inevitably be read if his theory be right, I do not believe; but if he did not, then the superfluous syllables, claimed by him, would not be sounded; that is to say, unconsciously, and in spite of himself, he would elide the elidable ones, and cut out the mute.