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Foliation - 4 dictionary results

fo⋅li⋅a⋅tion

[foh-lee-ey-shuhn]
–noun
1. the act or process of putting forth leaves.
2. the state of being in leaf.
3. Botany.
a. the arrangement of leaves within a bud.
b. the arrangement of leaves on a plant.
4. leaves or foliage.
5. Printing. the consecutive numbering of the folios or leaves, as distinguished from pages, of a manuscript or book.
6. the total number of such leaves.
7. Petrology. a form of lamination produced in rocks by metamorphism.
8. ornamentation with foliage, or an arrangement of foliage.
9. Architecture.
a. ornamentation with foils.
b. ornamentation with representations of foliage.
10. formation into thin sheets.
11. the application of foil to glass to make a mirror.

Origin:
1615–25; foliate + -ion
fo·li·a·tion   (fō'lē-ā'shən)   
n.  
  1. The state of being in leaf.
  2. Decoration with sculpted or painted foliage.
  3. Architecture Decoration of an opening with cusps and foils, as in Gothic tracery.
    1. The act, process, or product of forming metal into thin leaf or foil.
    2. The act or process of coating glass with metal foil.
    3. The process of numbering consecutively the leaves of a book or manuscript.
    4. The leaves so numbered.
    1. The process of numbering consecutively the leaves of a book or manuscript.
    2. The leaves so numbered.
  4. Geology The layered structure common to metamorphic rocks.

Foliation

Fo"li*a"tion\, n. [Cf. F. foliation.]

1. The process of forming into a leaf or leaves.

2. The manner in which the young leaves are dispo?ed within the bud.

The . . . foliation must be in relation to the stem. --De Quincey.

3. The act of beating a metal into a thin plate, leaf, foil, or lamina.

4. The act of coating with an amalgam of tin foil and quicksilver, as in making looking-glasses.

5. (Arch.) The enrichment of an opening by means of foils, arranged in trefoils, quatrefoils, etc.; also, one of the ornaments. See Tracery.

6. (Geol.) The property, possessed by some crystalline rocks, of dividing into plates or slabs, which is due to the cleavage structure of one of the constituents, as mica or hornblende. It may sometimes include slaty structure or cleavage, though the latter is usually independent of any mineral constituent, and transverse to the bedding, it having been produced by pressure.
foliation   (fō'lē-ā'shən)  Pronunciation Key 
The set of layers visible in many metamorphic rocks as a result of the flattening and stretching of mineral grains during metamorphism.

foliated adjective
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