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  • nutational — adjective see nutation …   New Collegiate Dictionary

  • nutational — adj. of the Earth s movement; of nodding the head …   English contemporary dictionary

  • nutational — nu·ta·tion·al …   English syllables

  • nutational — shənəl, shnəl adjective : of or relating to nutation …   Useful english dictionary

  • nutation — nutational, adj. /nooh tay sheuhn, nyooh /, n. 1. an act or instance of nodding one s head, esp. involuntarily or spasmodically. 2. Bot. spontaneous movements of plant parts during growth. 3. Astron. the periodic oscillation observed in the… …   Universalium

  • Helical growth — The term helical growth describes the expansion of fungal, algal or higher plant cells or organs leading to a twisted (i.e. helical) cell or organ shape. Helical growth can arise naturally (e.g. as seen in tendrils or in twinning plants) or… …   Wikipedia

  • nutation — noun Etymology: Latin nutation , nutatio, from nutare to nod, rock more at numen Date: 1612 1. archaic the act of nodding the head 2. oscillatory movement of the axis of a rotating body (as the earth) ; wobble 3. a spontaneous usually spiral… …   New Collegiate Dictionary

  • Ethylene — Ethylene …   Wikipedia

  • D. Lewis Mingori — Diamond Lewis (Tino) Mingori (born June 7, 1938)[1] is an American who was a longtime professor of Mechanical Aerospace Engineering at the University of California at Los Angeles (UCLA). He currently serves as a Professor Emeritus.[2] His… …   Wikipedia

  • Nutation in plants — Nutation, in plants, is the bending movements executed by some plant organs, such as stems, leaves, roots, etc., by which the part is inclined successively in various directions.[1] Nutations are due to the unequal rate of growth of different… …   Wikipedia

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