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Cherry. Pear. Maple. Linden. Ash. Wood is a structural tissue found in the stems and roots of trees and other woody plants. It is an organic material – a natural composite of cellulose fibers that are strong in tension and embedded in a matrix of lignin that resists compression.
Nov 12, 2022 · Look at some freshly cut wood under a microscope and you'll see it's made up of cells, like any other plant. The cells are made of three substances called cellulose (about 50 percent), lignin (which makes up a fifth to a quarter of hardwoods but a quarter to a third of softwoods), and hemicellulose (the remainder).
May 30, 2024 · Wood, the principal strengthening and nutrient-conducting tissue of trees and other plants and one of the most abundant and versatile natural materials. It is strong in relation to its weight, is insulating to heat and electricity, and has desirable acoustic properties. Learn more about wood in this article.
May 30, 2024 · Such wide application is made possible by the versatility of wood and its many desirable qualities, such as high strength for its weight, workability, and aesthetic appeal. But wood also has certain undesirable characteristics. It can burn and decay, for instance.
wood noun (MATERIAL) Add to word list. Add to word list. A2 [ C or U ] a hard substance that forms the branches and trunks of trees and can be used as a building material, for making things, or as a fuel: He gathered some wood to build a fire. She attached a couple of planks of wood to the wall for shelves.
The meaning of WOOD is the hard fibrous substance consisting basically of xylem that makes up the greater part of the stems, branches, and roots of trees or shrubs beneath the bark and is found to a limited extent in herbaceous plants. How to use wood in a sentence.
May 30, 2024 · Wood - Strength, Density, Hardness: Sensory characteristics include colour, lustre, odour, taste, texture, grain, figure, weight, and hardness of wood. These supplementary macroscopic characteristics are helpful in describing a piece of wood for identification or other purposes.
Jul 19, 2022 · With so many different types of wood to choose from, it can be challenging to find the right species for your needs. Read on to learn about the most common types of wood that DIYers may want to...
As the cambium forms new wood cells, they develop into different sizes, shapes, and orientations to perform a variety of tasks, including food storage, sap conduction, trunk strength, etc. When a tree is young, certain cells within the wood are alive and capable of conducting sap or storing nutrients, and the wood is referred to as sapwood.
noun. /wʊd/. /wʊd/. Idioms. [uncountable, countable] the hard material that the trunk and branches of a tree are made of; this material when it is used to build or make things with, or as a fuel. He chopped some wood for the fire. a piece of wood. a plank /block of wood. All the furniture was made of wood.
