(thing) by Kawika Thu Jul 19 2001 at 8:33:18
In geology, a mullion describes a linear, cylindrical structure comprised of elongated rods or columns 20 millimetres to 2 metres across and up, to 100 metres long.

The surface may be smooth or corrugated and define a lineation parallel to fold axes. Mullion structures are most common in strongly deformed metamorphic rocks, and may form by buckling of the surface between strong and weak rock beds.

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(definition) by Webster 1913 Wed Dec 22 1999 at 1:19:40

Mul"lion (?), n. [A corruption of munnion, F. moignon stump of an amputated limb, stump, OF. moing mutilated; cf. Armor. mon, moun, mank, monk, and also L. mancus maimed.] Arch. (a)

A slender bar or pier which forms the division between the lights of windows, screens, etc.

(b)

An upright member of a framing. See Stile.

 

© Webster 1913.

Mul"lion, v. t.

To furnish with mullions; to divide by mullions.

 

© Webster 1913.

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