Hypertext Webster Gateway: "regression"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Regression \Re*gres"sion\ (r?*gr?sh"?n), n. [L. regressio: cf.
F. r['e]gression.]
The act of passing back or returning; retrogression;
retrogradation. --Sir T. Browne.
{Edge of regression} (of a surface) (Geom.), the line along
which a surface turns back upon itself; -- called also a
{cuspidal edge}.
{Regression point} (Geom.), a cusp.
From WordNet (r) 1.7 (wn)
regression
n 1: an abnormal state in which development has stopped
prematurely [syn: {arrested development}, {fixation}, {infantile
fixation}]
2: (psychiatry) a defense mechanism in which you flee from
reality by assuming a more infantile state
3: the relation between selected values of x and observed
values of y (from which the most probable value of y can
be predicted for any value of x) [syn: {simple regression},
{regression toward the mean}]
4: returning to a former state [syn: {regress}, {reversion}, {retrogression},
{retroversion}]
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