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...

Tree may refer to: Lemon myrtle (Backhousia citriodora), an Australian native tree with a distinct lemon smell Lemon Tree, New South Wales Lemon Tree...

Gold-Tree and Silver-Tree is a Scottish fairy tale collected by Joseph Jacobs in his Celtic Fairy Tales. It is Aarne-Thompson type 709, Snow White. Others...

closely related to the concept of the sacred tree. The tree of the knowledge of good and evil and the tree of life which appear in Genesis' Garden of Eden...

A decision tree is a decision support recursive partitioning structure that uses a tree-like model of decisions and their possible consequences, including...

The tree line is the edge of a habitat at which trees are capable of growing and beyond which they are not. It is found at high elevations and high latitudes...

Aronszajn tree is a tree of uncountable height with no uncountable branches and no uncountable levels. For example, every Suslin tree is an Aronszajn tree. More...

Tree spiking involves hammering a metal rod, nail or other material into a tree trunk, either inserting it at the base of the trunk where a logger might...

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...

money tree or money doesn't grow on trees in Wiktionary, the free dictionary. Money tree may refer to: Money tree (myth), a Chinese myth Money tree, an...

The lotus tree (Ancient Greek: λωτός, lōtós) is a plant that is referred to in stories from Greek and Roman mythology. The lotus tree is mentioned in...

The cover tree is a type of data structure in computer science that is specifically designed to facilitate the speed-up of a nearest neighbor search. It...

An apple is a round, edible fruit produced by an apple tree (Malus spp.). Fruit trees of the orchard or domestic apple (Malus domestica), the most widely...

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...

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...

In computer science, a binary tree is a tree data structure in which each node has at most two children, referred to as the left child and the right child...

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

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)...

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

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...

Ashoka tree is a common name for two plants which are frequently confused with each other: Saraca asoca, native to South Asia and western Myanmar Saraca...

A tree caliper is a tool to measure the diameter of a tree. When used in forestry, the tree caliper tool measures the DBH or "diameter at breast height"...

Look up flame tree in Wiktionary, the free dictionary. Flame tree may refer to: Alloxylon flammeum, commonly known as the Queensland tree waratah or red...

Look up hash tree in Wiktionary, the free dictionary. In computer science, hash tree may refer to: Hashed array tree Hash tree (persistent data structure)...

Turpentine tree may refer to: Pistacia terebinthus, native to the Mediterranean region Pistacia atlantica, native to the Middle East, the Maghreb, the...

Smoke tree, or Smoketree, may refer to any of several plants, some of whose parts are finely divided and give the appearance of smoke from a distance:...

Rain tree is a common name for several plants and may refer to: Albizia saman, a tree in the family Fabaceae, native to a range extending from Mexico south...

Pepper tree is a common name for several trees, including: Those in the genus Schinus Macropiper excelsum, or kawakawa, small and endemic to New Zealand...