particle shape
particle shape (grain shape) Particle shape is defined by the relative dimensions of the long, intermediate, and short axes of the particle. The ratio of intermediate to long diameter and the ratio of short to intermediate diameter is used to define four shape classes. These are: oblate (tabular or disc-shaped forms); prolate (rod-shaped); bladed; and equant (cubic or spherical forms).
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Shape , shape / shāp/ • n. 1. the external form or appearance characteristic of someone or something; the outline of an area or figure: she liked the shape o… mandorla , mandorla. Almond-shaped figure composed of two vertical arcs each passing through the other's centre, enclosing a panel, called aureole, halo, or ves… Lozenge , lozenge. Diamond-or rhomboid-shaped equilateral parallelogram with two opposite angles more acute than the other two. Lozenges occur in mouldings, on… Kithara , kithara. Ancient Gr. str. instr. shaped like lyre but plucked by fingers. Lunette , lunette •abet, aiguillette, anisette, Annette, Antoinette, arête, Arlette, ate, baguette, banquette, barbette, barrette, basinet, bassinet, beget, Be… Arrows , 22. Arrows
See also 416. WEAPONRY .
arbalist, arbalest
a crossbowman. Also arcubalist.
belomancy
A form of divination in which marks or words are pla…
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particle shape