contactivenessn.
Etymology: < *contactive ( < contact n. + -ive suffix) + -ness suffix.Previous versions of the OED give the stress as: conˈtactiveness.
rare.
1889 F. De Winton in 19 Sept. 496 The discovery of steam as a motive power has brought the world into an extraordinary condition of contactiveness.
This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2019).