Encyclopedian Dictionary: July 2013

Gloeotrichia echinulata

Gloeotrichia echinulata Taxonomic Hierarchy Gloeotrichia echinulata, which is filamentous may be free-floating or attached, forming colonies. Kingdom Monera – monerans Phylum Cyanophycota – blue-green algae, cyanophytes Class Cyanophyceae Order Nostocales Family Rivulariaceae Genus Gloeotrichia Jg. Agardh Ex Bornet and Flah., 1886 Species Gloeotrichia echinulata (J. Smith) P....

zoospore

Pronunciation key ( zō′ə-spôr′ ) ( zō′ə-spōr′ ) zo•o•spore n. [zoo + spore]. Asexual spore, esp. of certain fungi or alga which are capable of independent motion usually by means of cilia. Motile flagellate or amoeboid cell or body in certain protozoans. The parent cell becomes modified, ruptures and zoospores are released as in the species Ulothrix, (above). References A Golden...

Algae

Algae Algae contain chlorophyll and able to manufacture their own food and range from microscopic single cells to kelps, growing up to over 200 ft. in length. Almost all forms of algae are found in water and reproduce either asexually or sexually. Commonly, free-swimming asexual spores (zoospores) are propelled by flagella but many produce various kinds of non-motile asexual spores. In some species...

fagaceous

Pronunciation key ( fə-gā′shəs ) fag•a•ceous adj. Botany. [< Mod. L. fagaceae name of the family < fagus see BEECH] Of the beech family of plants; beech, oak, chestnut. Pertaining to a large family, fagaceae of trees and shrubs having alternate simple leaves, sterile flowers, one cell, one-seeded nuts, the beech family. References Webster's New World Dictionary of the American Language (College Edition) ©1955 Funk and Wagnall's Standard Dictionary, Comprehensive International Edition,...

Fabian Essays in Socialism

Fabian Essays in Socialism Series of political essays published by the Fabian Society in 1889, 1891, 1908, 1920 and 1931 edited by George Bernard Shaw. See "The Fabian Society". References Encyclopedia Britannica Micropedia, ©1...

fabacea or fabaceous

Fa•ba•ceous adj. (botany) [L. fabaceus < faba a bean] of the pea family of plants. [L. fabaceus < leguminous] The pea family of flowering plants within the order of Fabales, and of the family Leguminosae, formerly, Fabaceae of herbs, shrubs and trees characterized by stipulate leaves, irregular flowers and fruits that are true pods or legumes. This family consists of around 15,000 species of trees, shrubs, vines and herbs and distributed worldwide. The leaves usually are pinnately compound,...

eyestalk

Pronunciation key ( ī′stôk′ ) eye•stalk n. A characteristic in some crustaceans of having a movable stalk with an eye located at the tip. References Webster's New World Dictionary of the American Language (College Edition) ©1955 Anatomy of Shrimp Freshwater and Marine Image Bank, Blind Crustacean Further Reading exoskele...

eyas

Pronunciation key ( ī′əs ) ey•as n. [faulty division (influenced by ME. ey an egg) of a a nyas, a niais; Fr. niasis nestling < LL. *nidax < L. nidus, a nest]. A juvenile hawk removed from the nest to train in falconry. An unfledged bird; nestling. References Webster's New World Dictionary of the American Language (College Edition) ©1955 Eyas Upd...

exotoxin

Pronunciation key ( ek′sō-tok′sin ) ex•o•tox•in n. Biochem. Exotoxin is defined as one from among a group of toxic substances excreted by certain disease-producing microorganisms: also called true toxin. Toxin is secreted during the life of the organism, either in the body tissues or food or surrounding medium and is recoverable from a culture without destruction of the producing agent. Classically has been defined as poisonous substance secreted by certain bacteria. The term has since been...

escalop, escallop

Pronunciation key ( e-skol′əp ) ( e-skal′əp ) es•cal•lop, es•cal•op n. [OFr. escalope, a shell, see SCALLOP]. Scallop. Mollusk with the characteristic ribbed shell with a wavy edge. Decorative curve resembling that of a scallop shell. v.t. trim in curves baking with crumbs or in a cream sauce. Taxonomic Hierarchy Kingdom Animalia – Animal, animals Phylum Mollusca – mollusques,...

erose

Pronunciation key ( i-rōs′ ) e•rose adj. [L. erosus pp. of erodere; see ERODE]. Irregular, as though gnawed off. Botany, characteristic of having irregularly notched edge as found in some leaves. References Webster's New World Dictionary of the American Language (College Edition) ©1...

epigynous

Pronunciation key ( e-pij′ə-nəs ) e•pig•y•nous adj. [epi- + gynous]. Indicating the characteristic of having petals, sepals and stamens that are all attached to the top of the ovary as though inserted. This characteristic is in contrast with hypogynous. References Webster's New World Dictionary of the American Language (College Edition) ©1955 The Renewal of L...

epicalyx

Pronunciation key ( ep′ə-kā′liks ) ( ep′ə-kal′iks ) ep•i•ca•lyx n [pl. EPICALYXES (-lik-siz, ik-siz) EPICALYCES (-li-sēz′, -i-sēz′)]. [Mod. L.; epi + calyx]. Ring of leaflets which are called brachts located on the base of some flowers resembling an additional outer calyx. References Webster's New World Dictionary of the American Language (College Edition) ©1...

eon

Pronunciation key ( ē′ən ) ( ē′on ) e•on n. [LL.; Gr. aiōn an age, lifetime. eternity.]. An indefinate but extremely lengthy period of time measured in thousands of thousands of years. Also spelled aeon. References Webster's New World Dictionary of the American Language (College Edition) ©1...

eohippus

Pronunciation key ( ē′ō-hip′əs ) e•o•hip•pus n. [Mod. L. < eo- + Gr. hippos horse]. An extinct prehistoric ancestor of the modern horse which was about the size of a fox and had toes instead of hoofs. References Webster's New World Dictionary of the American Language (College Edition) ©1955 Eohippus, American Museum of Natural Hist...

eocene

Pronunciation key ( ē′ə-sēn ) E•o•cene adj. [eo- + Gr. kainos new]. The earliest epoch of the Tertiary Period which occurred during the Cenozoic Era, when mammals became the dominant group of animals on the planet. Rocks belonging to the epoch. References Webster's New World Dictionary of the American Language (College Edition) ©1...

eider

Pronunciation key ( ī′dẽr ) ei•der [pl. EIDERS (-dẽrz) n. [ON. æthar genit. of æthr eider duck via earlier Swed. eider]. One of many large sea ducks living in the northern regions: often eider duck. Down of the eider duck. Taxonomic Hierarchy King Eider, Somateria spectabilis Kingdom Animalia – Animal, animals Phylum Chordata – chordates Subphylum Vertebrata – vertebrates Class Aves...

Paul Ehrlich ( 1854-1915 )

Pronunciation key ( poul âr′liH ) ( English: âr′lik ) Paul Ehrlich ( 1854-1915 ) German bacteriologist and physician who received the Nobel prize in medicine in 1908. "In the early part of the 20th century Paul Ehrlich began to search for ‘the silver bullet’ against the syphilis spirochete. He was inspired by Breinl and Thomas’s success treating sleeping sickness with an organic arsenical....