SIDEREAL a.
ime, time as reckoned by sideral days, or, taking the sidereal day as the unit, the time elapsed since a transit of the vernal equinox, reckoned in parts of a sidereal day. This is, strictly, apparent sidereal time, mean sidereal time being reckoned from the transit, not of the true, but of the mean, equinoctial point.…
TONTINE INSURANCE n.
e tontine principle. Under the old, or full tontine, plan, all benefits were forfeited on lapsed policies, on the policies of those who died within the tontine period only the face of the policy was paid without any share of the surplus, and the survivor at the end of the tontine period received the entire surplus. Thi…