HALLOYSITE
Hal*loy"site, n. Etym: [Named after Omalius d'Halloy.] (Min.)
Defn: A claylike mineral, occurring in soft, smooth, amorphous masses, of a whitish color.
HALLSTATT; HALLSTATTIAN
Hall"statt, Hall*stat"ti*an, a.
Defn: Of or pert. to Hallstatt, Austria, or the Hallstatt civilization. — Hallstatt, or Hallstattian, civilization, a prehistoric civilization of central Europe, variously dated at from 1000 to 1500 b. c. and usually associated with the Celtic or Alpine race. It was characterized by expert use of bronze, a knowledge of iron, possession of domestic animals, agriculture, and artistic skill and sentiment in manufacturing pottery, ornaments, etc.
The Hallstattian civilization flourished chiefly in Carinthia, southern Germany, Switzerland, Bohemia, Silesia, Bosnia, the southeast of France, and southern Italy. J. Deniker.
— H. epoch, the first iron age, represented by the Hallstatt civilization.
HALLUCAL
Hal"lu*cal, a. (Anat.)
Defn: Of or pertaining to the hallux.
HALLUCINATE Hal*lu"ci*nate, v. i. Etym: [L. hallucinatus, alucinatus, p. p. of hallucinari, alucinari, to wander in mind, talk idly, dream.]
Defn: To wander; to go astray; to err; to blunder; — used of mental processes. [R.] Byron.