Definify.com
Webster 1913 Edition
Occult
Oc-cult′
,Adj.
[L.
occultus
, p. p. of occulere
to cover up, hide; ob
(see Ob-
) + a root prob. akin to E. hell
: cf. F. occulte
.] Hidden from the eye or the understanding; invisible; secret; concealed; unknown.
It is of an
occult
kind, and is so insensible in its advances as to escape observation. I. Taylor.
Occult line
(Geom.)
, a line drawn as a part of the construction of a figure or problem, but not to appear in the finished plan.
– Occult qualities
, those qualities whose effects only were observed, but the nature and relations of whose productive agencies were undetermined; – so called by the schoolmen.
– Occult sciences
, those sciences of the Middle Ages which related to the supposed action or influence of occult qualities, or supernatural powers, as alchemy, magic, necromancy, and astrology.
Oc-cult′
,Verb.
T.
To eclipse; to hide from sight.
Webster 1828 Edition
Occult
OCCULT'
,Adj.
Hidden from the eye or understanding; invisible; secret; unknown; undiscovered; undetected; as the occult qualities of matter.
The occult sciences are magic, necromancy, &c.
Occult lines, in geometry, are such as are drawn with the compasses or a pencil, and are scarcely visible.