Hexagonal definition

hĕk-săgə-nəl
Having six sides.
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Having a six-sided base or section.
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Containing a hexagon or shaped like one.
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Of, or having the form of, a hexagon.
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Designating or of a crystal system having three axes of equal length that intersect in the same plane so as to form six 60° angles and a fourth of any length that intersects the plane of the other three at a right angle.
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Having six sides.
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Relating to a crystal having three axes of equal length intersecting at angles of 60° in one plane, and a fourth axis of a different length that is perpendicular to this plane. The mineral calcite has hexagonal crystals.
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(geometry) Having six edges, or having a cross-section in the form of a hexagon.

Nuts in engineering are generally hexagonal.

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(crystallography) Having three equal axes which cross at 60° angles, and an unequal axis which crosses the others at 90° angle.
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(mineralogy) Having three equal axes intersecting at angles of 60° in one plane and one axis of variable length that is perpendicular to the others.
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Hexagonal Sentence Examples

  • The substance is usually optically isotropic, though sometimes it exhibits anomalous double refraction; fibrous zinc sulphide which is doubly refracting is to be referred to the hexagonal FIG.

  • On evaporating this solution the hydrated salt CoI 2.6H 2 0 is obtained in hexagonal prisms. It behaves in an analogous manner to CoBr 2.6H 2 0 on heating.

  • The Helena crystals are of tabular habit, being composed of the basal pinacoid with a very short hexagonal prism, whilst at Yogo Gulch many of the crystals affect a rhombohedral habit.

  • Moissanite is a rare mineral with a hexagonal crystal structure that occurs in iron-nickel meteorites and may also be called silicon carbide or carborundum in reference to its chemistry.

  • At the same time, however, moissanite's hexagonal crystal structure is nearly twice as refractive as a diamond's isometric one, giving it up to twice the brilliance and fire of a diamond depending on the shape and cut of the stone.

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Words near hexagonal in the Dictionary