unkeyingn.
/(ˌ)ʌnˈkiːɪŋ/, U.S. /ˌənˈkiɪŋ/ The action or an act of unkey v. (in various senses).In quot. 1820: the action of decrypting a code or cipher (see key n.1 5b).
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1820 J. Macdonald Some Short Arguments & Plain Facts 48 In unkeying,..in telling back the removes, the letter over any such remove in the alphabet at the top is to be reckoned from in counting.
1840 Civil Engineer & Architect's Jrnl. 3 402/1 The labour..of removing the wheels from the axles, which in the keying and unkeying is known to be very troublesome.
1883 Minutes Proc. Inst. Civil Engineers 74 29 The derailment of a truck was facilitated by the unkeying of the wheel upon the axle.
1916 Official Gaz. (U.S. Patent Office) 4 Apr. 216/2 Means for causing the unkeying of said blocking and push plates.
1982 Flying May 86/1 The keying and unkeying of a microphone.
2000 Re: Has anybody ever heard of Rescue on CW Bands? in rec.radio.amateur.policy (Usenet newsgroup) 24 Feb. It won't be an actual continuous wave with a tone switched on and off but a keying and unkeying of the transmitter itself.
This entry has been updated (OED Third Edition, March 2018; most recently modified version published online March 2022).
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n.1820- to lie for the whetstone
- to lie forth
- to lie full low
- to lie hard
- to lie heavy
- to lie heavy at or to one's heart
- to lie heavy on one's stomach
- to lie heavy upon
- to lie heavy, cold, etc formerly on the stomach
- to lie heavy, cold, etc on the stomach
- to lie heavy, cold, etc simply to lie on the stomach
- to lie hull
- to lie in
- to lie in ambush
- to lie in common
- to lie in grant
- to lie in great wait
- to lie in grip
- to lie in hand to do
- to lie in imbibition
- to lie in leaguer
- to lie in lure
- to lie in one's hands
- to lie in one's power
- to lie in one's throat