carbonlessadj.
/ˈkɑːbənləs/, U.S. /ˈkɑrbənləs/ 1. Containing no carbon.
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1850 Fraser's Mag. 41 295/1 Then John prepared the aether—the carbonless, sinless hydrogen.
1910 Proc. Amer. Philos. Soc. 49 49 The ideal liquid for such a cell would be a carbonless iron.
1992 Science 31 Jan. 537/3 A precursor containing no carbon at all..might yield the carbonless BN ball.
2. Of paper: that enables writing, typing, etc., to be copied simultaneously to paper laid underneath, without the insertion of carbon paper.Carbonless paper typically contains tiny capsules of dye on the underside of the top sheet which break when subjected to pressure, marking the underlying sheet.Quot. 1910 may represent a different sense.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > material for making paper > paper > [adjective] > other types of paper
unsized1794
wire-woven1799
wood-free1904
fireproof1922
pre-impregnated1933
carbonless1935
1910 N.Y. Times 19 Apr. 18/2 Yesterday's Fires... 511 W. 30th St.: Carbonless Paper Company... Loss..$25.]
1935 U.S. Patent 1,998,651 2/2 The sheets underlying the topmost sheet might be formed of carbonless paper if this is desired, thereby eliminating the necessity for leaves of transfer material.
1954 Athens (Ohio) Messenger 27 Jan. 18/4 (headline) Dayton firm unveils ‘carbonless’ paper... The National Cash Register Co. has announced a new carbon-less paper called NCR which provides multiple copies.
1982 What's New in Computing Nov. 90/2 It can..trim sprocket margins from continuous forms (whether plain or carbonless, single or multipart).
2005 N. Gershenfeld FAB 221 Microencapsulation..is the trick that puts ink into carbonless copy paper by enclosing the ink in tiny spheres that break when a pen compresses them.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online December 2021).
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adj.1850