ocimum, ocymum

[Lat. ocimum; Gr. õkim on basil.] Bot .: The typical genus of the tribe Ocimese. It is of the family Moschosmide, and is called in India túlsé . Ocimum basilicum , O. grati imum , and O. sanctum are cultivated in India, and otto is distilled from them. It is supposed that O. basilicum yields an Indian fiber used for rope making. Its seeds are given in diarrhea, chronic dysentery, and gonorrhea, its juice for ringworm, and its bruised leaves for scorpion stings. O. grati imum and O. sanctum, the last named being sacred to Vishnoo, are also used in India medicinally; the seeds of all are steeped in water and eaten. O. febrifugum , a native of Sierra Leone, is a febrifuge. O. in canes cens, a Brazilian plant, is diuretic and diaphoretic. *ō-çiv-i-ty, s. [Lat. ocium, otium =leisure, idlene .) Sloth. "The avoiding of idlene and ocivity ." Hooper: Works , ii. 92. ō-crě-ą, s. [Lat.] Rom. Antiq.: A kind of greave or legging covering the foreleg from the knee to the ankle. It was made of tin, bronze, or other metal, modeled to the leg of the wearer, and fastened behind by straps and buckles, and generally richly ornamented by various designs embo ed or chased upon it. Ocrea. ō-crě-āt-ěd, a. [Lat. ocreatus, from ocrea =a greave or legging.] Wearing an ocrea or legging; hence, booted. "A scholar undertook, for a small wager, much beneath the penalty, to addre himself ocreated unto the vice chancellor."- Fuller: Worthies; Norwich. oct-, oc-ta, oc-to-, pref . [Lat. octo- , from Gr. ok to -eight.] Having eight, consisting of eight. (The meaning completed by the second portion of the word.) oc-ta-chord, oc'-to-chord, subst. [Pref. octa-, octo-, and Gr. chordē =a string.] Music: 1. A musical instrument with eight strings. 2. A system of eight sounds. oc-ta-e-dral, a. [OCTAHEDRAL.] oc-ta-e-drīte, oc-to-he-drīte, s. [ОСТАНЕ DRITE.] IMG:content-0225.png:[blocks in formation] 1. Geom.: A polygon of eight angles or sides. A regular octagon is an octagon all of whose sides and angles are respectively equal to each other. The angle at the center of a regular octagon is 45°, and the angle at the vertex of any angle is 135°. The area of a regular octagon, whose side is 1, is equal to 4.8284271. 2. Fort .: A place having eight bastions. oc-tăg-on-al, a. [Eng. octagon ; -al.] Having eight sides and eight angles; of an octagon shape. oc-tăg-ý-nous, a . [OCTOGYNOUS.] oc-ta-he-dral, oc-ta-e-dral, adj . [ОСТАНЕDRON.] Pertaining to an octahedron; of the form of an octahedron; having eight equal surfaces. octahedral iron-ore, s. [MAGNETITE.] oc-ta-he-drīte, s. [Eng. octahedr (on); suff. -ite Min.: A mineral occurring mostly in square octa (Min.).] stall i zati on, hedrons more or alified probably tetragonal, but Mallard, judging optical characters of some crystals from Brazil, is inclined to regard it as monoclinic. Cleavage, basal and octahedral, perfect. Hardne , 55-6; specific gravity, 3-82-3-95, higher after heating; lus ter, approaching adamantine; color, shades of brown, indigo-blue, black; fracture, sub-conchoidal; brittle. Composition: Oxygen, 39; titanium, 61; being pure titanic acid. This is a trimorphous mineral, the two other species being rutile and brookite (q. v.). Found in several localities, especially at Bourg d'Oisans, Isère, France; and lately in splendent and highly modified crystals in the Binnenthal, Switzerland.