Buy a Dictionary online
at Amazon
View definitions alphabetically
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Definition of rhomb (Meaning of rhomb)
1 Definition found
Rocket Languages ? Language Learning Software Review
Rhomb Rhomb (r[o^]mb or r[o^]m; 277), n. [L. rhombus, Gr.
	     "ro`mbos rhomb, a spinning top, magic wheel, fr. "re`mbein to
	     turn or whirl round, perhaps akin to E. wrench: cf. F.
	     rhombe. Cf. {Rhombus}, {Rhumb}.]
	     1. (Geom.) An equilateral parallelogram, or quadrilateral
	        figure whose sides are equal and the opposite sides
	        parallel. The angles may be unequal, two being obtuse and
	        two acute, as in the cut, or the angles may be equal, in
	        which case it is usually called a {square}.
	        [1913 Webster]
	
	     2. (Geom.) A rhombohedron.
	        [1913 Webster]
	
	     {Fresnel's rhomb} (Opt.), a rhomb or oblique parallelopiped
	        of crown or St. Gobain glass so cut that a ray of light
	        entering one of its faces at right angles shall emerge at
	        right angles at the opposite face, after undergoing within
	        the rhomb, at other faces, two reflections. It is used to
	        produce a ray circularly polarized from a plane-polarized
	        ray, or the reverse. --Nichol.
	        [1913 Webster]

From The Collaborative International Dictionary of English v.0.44
Rocket Languages ? Language Learning Software Review
This word appears under the following labels
Recently viewed definitions