GREENHEART

This article appears in Volume V12, Page 542 of the Encyclopedia Britannica.

Encyclopedia Britannica - Main :: GRA-GUI

GREENHEART , one of the most valuable of timbers, the produce of Nectandra Rodiaei, natural order Lauraceae, a large tree, native of tropical

South

SOUTH
SOUTH, ROBERT (1634–1716)

America and the West Indies. The Indian name of the tree is sipiri or bibiru, and from its bark and fruits is obtained the febrifuge principle

bibirine

BIBIRINE, or BEBEEZZINE, C19H21NO3

. Greenheart

wood

WOOD, ANTHONY A2 (1632-1695)
WOOD, JOHN GEORGE (1827—1889)
WOOD, MRS
HENRY
- HENRY
- HENRY (1129-1195)
- HENRY (c. 1108-1139)
- HENRY (c. 1174–1216)
- HENRY (Fr. Henri; Span. Enrique; Ger. Heinrich; Mid. H. Ger. Heinrich and Heimrich; O.H.G. Haimi- or Heimirih, i.e. " prince, or chief of the house," from O.H.G.
  heim
  - HEIM, ALBERT VON ST GALLEN (1849- )
  - HEIM, FRANCOIS JOSEPH (1787-1865)
  , the Eng.
  home
  - HOME
  - HOME, DANIEL DUNGLAS (1833-1886)
  - HOME, EARLS OF
  , and rih, Goth. reiks; compare Lat. rex " king "—" rich," therefore " mig
- HENRY, EDWARD LAMSON (1841– )
- HENRY, JAMES (1798-1876)
- HENRY, JOSEPH (1797-1878)
- HENRY, MATTHEW (1662-1714)
- HENRY, PATRICK (1736–1799)
- HENRY, PRINCE OF BATTENBERG (1858-1896)
- HENRY, ROBERT (1718-1790)
- HENRY, VICTOR (1850– )
- HENRY, WILLIAM (1795-1836)
[ELLEN] (1814—1887)
WOOD, SEARLES VALENTINE (1798—188o)

is of a dark-green colour, sap

wood

WOOD, ANTHONY A2 (1632-1695)
WOOD, JOHN GEORGE (1827—1889)
WOOD, MRS
HENRY
- HENRY
- HENRY (1129-1195)
- HENRY (c. 1108-1139)
- HENRY (c. 1174–1216)
- HENRY (Fr. Henri; Span. Enrique; Ger. Heinrich; Mid. H. Ger. Heinrich and Heimrich; O.H.G. Haimi- or Heimirih, i.e. " prince, or chief of the house," from O.H.G.
  heim
  - HEIM, ALBERT VON ST GALLEN (1849- )
  - HEIM, FRANCOIS JOSEPH (1787-1865)
  , the Eng.
  home
  - HOME
  - HOME, DANIEL DUNGLAS (1833-1886)
  - HOME, EARLS OF
  , and rih, Goth. reiks; compare Lat. rex " king "—" rich," therefore " mig
- HENRY, EDWARD LAMSON (1841– )
- HENRY, JAMES (1798-1876)
- HENRY, JOSEPH (1797-1878)
- HENRY, MATTHEW (1662-1714)
- HENRY, PATRICK (1736–1799)
- HENRY, PRINCE OF BATTENBERG (1858-1896)
- HENRY, ROBERT (1718-1790)
- HENRY, VICTOR (1850– )
- HENRY, WILLIAM (1795-1836)
[ELLEN] (1814—1887)
WOOD, SEARLES VALENTINE (1798—188o)

and heart wood being so much alike that they can with difficulty be distinguished from each other. The heart wood is one of the most durable of all timbers, and its value is greatly enhanced by the fact that it is proof against the ravages of many marine borers which rapidly destroy piles and other submarine structures of most other kinds of wood available for such purposes. In the Kelvingrove Museum, Glasgow, there are two pieces of planking from a wreck submerged during eighteen years on the west coast of

Scotland

.
The one specimengreenheartis merely slightly pitted on the surface, the

body

BODY

of the wood being perfectly sound and untouched, while the otherteakis almost entirely eaten away. Green-heart, tested either by transverse or by tensile strain, is one of the strongest of all woods, and it is also exceedingly dense, its specific gravity being about 1150. It is included in the second line of

Lloyd

's Register for shipbuilding purposes, and it is extensively used for keelsons, beams,

engine

ENGINE
ENGINE (Lat. ingenium)

-bearers and planking, &c., as well as in the general engineering arts, but its excessive weight unfits it for many purposes for which its other properties would render it eminently suitable.

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