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4. (Geol.) Laminated, but restricted to the variety of laminated structure found in crystalline schist, as mica schist, etc.; schistose.

5. Spread over with an amalgam of tin and quicksilver.

Foliated telluium. (Min.) See Nagyagite.

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.

Fo"li*a*ture (?), n. [L. foliatura foliage.] 1. Foliage; leafage. [Obs.] Shuckford.

2. The state of being beaten into foil. Johnson.

Fo"li*er (?), n. Goldsmith's foil. [R.] Sprat.

Fo*lif"er*ous (?), a. [L. folium leaf+ -ferous: cf. F. foliifËre.] Producing leaves. [Written also foliiferous.]

Fol"i*ly (?), a. Foolishly. [Obs.] Chaucer.

Fol"io (?), n.; pl. Folios (#). [Ablative of L. folium leaf. See 4th Foil.] 1. A leaf of a book or manuscript.

2. A sheet of paper once folded.

3. A book made of sheets of paper each folded once (four pages to the sheet); hence, a book of the largest kind. See Note under Paper.

4. (Print.) The page number. The even folios are on the left-hand pages and the odd folios on the right- hand.

5. A page of a book; (Bookkeeping) a page in an account book; sometimes, two opposite pages bearing the same serial number.

6. (Law) A leaf containing a certain number of words, hence, a certain number of words in a writing, as in England, in law proceedings 72, and in chancery, 90; in New York, 100 words.

Folio post, a flat writing paper, usually 17 by 24 inches.

Fol"io, v. t. To put a serial number on each folio or page of (a book); to page.

Fol"io, a. Formed of sheets each folded once, making two leaves, or four pages; as, a folio volume. See Folio, n., 3.

Fo"li*o*late (?), a. Of or pertaining to leaflets; -- used in composition; as, bi- foliolate. Gray.

Fo"li*ole (?), n. [Dim. of L. folium leaf: cf. F. foliole.] (Bot.) One of the distinct parts of a compound leaf; a leaflet.

Fo`li*o*mort" (?), a. See Feuillemort.