HEAVY SPAR
Heav"y spar`. (Min.)
Defn: Native barium sulphate or barite, — so called because of its high specific gravity as compared with other non-metallic minerals.
HEBDOMAD Heb"do*mad, n. Etym: [L. hebdomas, -adis, Gr. "ebdoma`s the number seven days, fr. Seven.]
Defn: A week; a period of seven days. [R.] Sir T. Browne.
HEBDOMADAL; HEBDOMADARY Heb*dom"a*dal, Heb*dom"a*da*ry, a. Etym: [L. hebdomadalis, LL. hebdomadarius: cf. F. hebdomadaire.]
Defn: Consisting of seven days, or occurring at intervals of seven days; weekly.
HEBDOMADALLY
Heb*dom"a*dal*ly, adv.
Defn: In periods of seven days; weekly. Lowell.
HEBDOMADARY
Heb*dom"a*da*ry, n. Etym: [LL. hebdomadarius: cf. F. hebdomadier.]
(R. C. Ch.)
Defn: A member of a chapter or convent, whose week it is to officiate in the choir, and perform other services, which, on extraordinary occasions, are performed by the superiors.