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unilinear
unilinear adj.
Brit. 
/ˌjuːnᵻˈlɪnɪə/
, /ˌjuːnᵻˈlɪnɪə/U.S. /ˌjunəˈlɪniər/
(a) Mathematics affecting or involving but one line (see quot. 1851); (b) of an evolution, a theory, etc.: having a single line of development or progression./ˌjunəˈlɪniər/ΘΠ
the world > action or operation > prosperity > advancement or progress > [adjective] > that progresses or advances in a single line
unilinear1851
1851 J. J. Sylvester in London, Edinb., & Dublin Philos. Mag. 4th Ser. 1 128 Accordingly this may be termed unilinear-intersection contact, or more briefly, unilinear contact.
1910 Athenæum 12 Mar. 299 A worldwide unilinear evolution.
1939 Mind 48 369 It is an order in which the thoughts in the chains of reasoning are not linked in a unilinear, but in a ‘global’ fashion.
1974 tr. W. F. Wertheim Evol. & Revol. i. 22 In Soviet Russia during the twenties..the issue of unilinear evolution also came in for serious discussion.
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