Seg"re*gate, v. i. (Geol.) To separate from a mass, and collect
together about centers or along lines of fracture, as in the process of
crystallization or solidification.
Seg`re*ga"tion (?), n. [L. segregatio: cf. F. ségrégation.] 1. The act
of segregating, or the state of being segregated; separation from
others; a parting.
2. (Geol.) Separation from a mass, and gathering about centers or into
cavities at hand through cohesive attraction or the crystallizing
process.
||Seiches (?), n. pl. [F.] (Geol.) Local oscillations in level observed
||in the case of some lakes, as Lake Geneva.
Seid (?), n. [Ar seyid prince.] A descendant of Mohammed through his
daughter Fatima and nephew Ali.
Seid"litz (?), a. Of or pertaining to Seidlitz, a village in Bohemia.
[Written also Sedlitz.]
Seidlitz powders, effervescing salts, consisting of two separate
powders, one of which contains forty grains of sodium bicarbonate mixed
with two drachms of Rochell&?; salt (tartrate of potassium and sodium)
and the other contains thirty-five grains of tartaric acid. The powders
are mixed in water, and drunk while effervescing, as a mild cathartic;
-- so called from the resemblance to the natural water of Seidlitz.
Called also Rochelle powders. -- Seidlitz water, a natural water from
Seidlitz, containing magnesium, sodium, calcium, and potassium
sulphates, with calcium carbonate and a little magnesium chloride. It
is used as an aperient.
Seigh (?), obs. imp. sing. of See. Saw. Chaucer.
Seign*eu"ri*al (?), a. [F., fr. seigneur. See Seignior.] 1. Of or
pertaining to the lord of a manor; manorial. Sir W. Temple.