HYSTERESIS n.
A lagging or retardation of the effect, when the forces acting upon a body are changed, as if from velocity or internal friction; a temporary resistance to change from a condition previously invuced, observed in magnetism, thermoelectricity, etc., on reversal of polarity.
SLATE n.
late (Min.), a slaty rock, consisting essentially of hornblende and feldspar, useful for flagging on account of its toughness. -- Slate ax or axe, a mattock with an ax end, used in shaping slates for roofs, and making holes in them for the nails. -- Slate clay (Geol.), an indurated clay, forming one of the alternatin…
TIDE n.
ves approach to, or recede from, one another. A retardation from this cause is called the lagging of the tide, while the acceleration of the recurrence of high water is termed the priming of the tide. See Lag of the tide, under 2d Lag. -- Tide dial, a dial to exhibit the state of the tides at any time. -- Tide gate.…