disjunct
81disjuncture — /dis jungk cheuhr/, n. the act of disjoining or the state of being disjoined; disjunction. [1350 1400; ME ( < AF) < ML disjunctura, equiv. to L disjunct(us) (see DISJUNCT) + ura URE] * * * …
82fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… …
83Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… …
84formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions. [1855 60] * * * Introduction the abstract study of propositions, statements, or assertively used …
85biogeographic region — Introduction area of animal and plant distribution having similar or shared characteristics throughout. It is a matter of general experience that the plants and animals of the land and inland waters differ to a greater or lesser… …
86logic, history of — Introduction the history of the discipline from its origins among the ancient Greeks to the present time. Origins of logic in the West Precursors of ancient logic There was a medieval tradition according to which the Greek philosopher …
87Myrtales — ▪ plant order Introduction the myrtle order of flowering plants, composed of 14 families, 380 genera, and about 11,000 species distributed throughout the tropics and warmer regions of the world. The majority of these species belong to just… …
88Suiriri Flycatcher — S. s. suiriri Conservation status …
89Chorioactis — geaster Scientific classification …
90Léon Croizat — (1964) Leon Camille Marius Croizat (July 16, 1894 November 30, 1982) was a French Italian scholar and botanist who developed a synthesis of evolution of biological form over space, in time, which he named Panbiogeography. Contents …
