botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be...

In mathematics, Kruskal's tree theorem states that the set of finite trees over a well-quasi-ordered set of labels is itself well-quasi-ordered under homeomorphic...

Look up dead tree or dead-tree in Wiktionary, the free dictionary. Dead tree may refer to: Dead Trees, an album by From First to Last Coarse woody debris...

edible fruit produced by an apple tree (Malus spp., among them the domestic or orchard apple; Malus domestica). Apple trees are cultivated worldwide and are...

tree can mean: Any of a number of tree species in the genera Gleditsia or Robinia, including: Honey locust (Gleditsia triacanthos), a leguminous tree...

A phylogenetic tree, phylogeny or evolutionary tree is a graphical representation which shows the evolutionary history between a set of species or taxa...

A Christmas tree is a decorated tree, usually an evergreen conifer, such as a spruce, pine or fir, or an artificial tree of similar appearance, associated...

following is a simplified family tree of the English, Scottish, and British monarchs. For more-detailed charts see: Family tree of English monarchs, from Alfred...

The following image is a family tree of every prince, king, queen, monarch, confederation president and emperor of Germany, from Charlemagne in 800 over...

the family tree for monarchs of England (and Wales after 1282) from Alfred the Great to Elizabeth I of England. The House of Wessex family tree precedes...

Look up tree hugger or treehugger in Wiktionary, the free dictionary. Tree hugger may refer to: A term used for the Bishnois, who perished in the Khejarli...

6959139; 84.9914694 The Bodhi Tree ("tree of awakening"), also called the Mahabodhi Tree, Bo Tree, is a large sacred fig tree (Ficus religiosa) located in...

for tea tree oil Leptospermum, also in the family Myrtaceae, source for Mānuka honey Kunzea ericoides, known as White tea-tree or kānuka, a tree or shrub...

Lemon Tree may refer to: Lemon (Citrus limon), a tree bearing fruit Lemon myrtle (Backhousia citriodora), an Australian native tree with a distinct lemon...

Tree diagram may refer to: Tree structure, a way of representing the hierarchical nature of a structure in a graphical form Tree diagram (probability theory)...

An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called...

A decision tree is a decision support hierarchical model that uses a tree-like model of decisions and their possible consequences, including chance event...

In computer science, a B-tree is a self-balancing tree data structure that maintains sorted data and allows searches, sequential access, insertions, and...

Tree and Leaf is a small book published in 1964, containing two works by J. R. R. Tolkien: a revised version of an essay called "On Fairy-Stories" (originally...

In graph theory, a tree is an undirected graph in which any two vertices are connected by exactly one path, or equivalently a connected acyclic undirected...

tree structure, tree diagram, or tree model is a way of representing the hierarchical nature of a structure in a graphical form. It is named a "tree structure"...

Gum tree is the common name of several trees and plants: Eucalypteae, particularly: Eucalyptus, which includes the majority of species of gum trees Corymbia...

In computer science, tree traversal (also known as tree search and walking the tree) is a form of graph traversal and refers to the process of visiting...

A mark tree (also known as a nail tree, chime tree, or set of bar chimes) is a percussion instrument used primarily for musical colour. It consists of...

This is a family tree for the kings and queens of Scotland, since the unification under the House of Alpin in 834, to the personal union with England in...

Cork tree or corktree may refer to: Cork oak, Quercus suber, the tree from which most cork is harvested Chinese cork oak, Quercus variabilis, a tree from...

Below are the family trees of all French monarchs, from Childeric I to Napoleon III. For a direct lineage, see Family tree of French monarchs (simplified)...

A B+ tree is an m-ary tree with a variable but often large number of children per node. A B+ tree consists of a root, internal nodes and leaves. The root...

In cryptography and computer science, a hash tree or Merkle tree is a tree in which every "leaf" node is labelled with the cryptographic hash of a data...

A tree frog (or treefrog) is any species of frog that spends a major portion of its lifespan in trees, known as an arboreal state. Several lineages of...