epigonid
Any member of the family Epigonidae: the deepwater cardinalfishes.

epigonids
plural of epigonid

epigonus
Alternative form of epigone.

epimacus
Synonym of opinicus.

epimacuses
plural of epimacus

epiorganism
A group of organisms (such as a hive of bees) regarded as a single organism

epiorganisms
plural of epiorganism

epiornis
The elephant bird (Aepyornis).

epiparasite
A parasite that feeds on another parasite.

epiparasites
plural of epiparasite

epiphragm
A dry layer of mucus used by a snail or mollusk to seal itself inside its shell during hibernation.
The dilated apex of the columella in urn mosses.

epiphragms
plural of epiphragm

epiplankton
Plankton normally living in the top hundred fathoms of a body of water (at a depth of about 180 metres or less).

epiplanktons
plural of epiplankton

epipleuron
The outer margin of an elytron of a beetle

epipod
A small projection arising from the thoracic legs of a crustacean.

epipodite
epipod

epipodites
plural of epipodite

epipods
plural of epipod

epiproctan
Any insect of the suborder Epiprocta

epiproctans
plural of epiproctan

epitheliocystis
epithelial cystis, typically in fish

epitoke
A pelagic morph capable of sexual reproduction.

epizoa
plural of epizoan
plural of epizoon

epizoan
Synonym of epizoon.

epizoans
plural of epizoan

epizoite
Any epizoic organism.

epizoites
plural of epizoite

epizoon
A microorganism (such as a yeast-type fungus or a protozoon) that grows on the surface of an animal host, as:
A microorganism (such as a yeast-type fungus or a protozoon) that grows on the surface of an animal host, as:

epizoons
plural of epizoon

epizootiology
The study of the dynamics and epidemiology of animal diseases

eques
A member of the equestrian order (Latin: ordo equester), the lower of the two aristocratic classes of Ancient Rome, ranking below the patricians.

equilin
The estrogen 3-hydroxyestra-1,3,5,7-tetraen-17-one, found in horse urine.

equinophobia
Synonym of hippophobia.

equites
plural of eques

erbia
erbium oxide Er₂O₃; Discovered in 1843, by Carl Gustaf Mosander.

erebid
Any member of the family Erebidae of moths.

erebids
plural of erebid

eremacausis
A gradual decay through slow combustion or oxidation, like that of old trees or dead animals.

eremiaphilid
Any mantis in the family Eremiaphilidae.

eremiaphilids
plural of eremiaphilid

eremoneuran
Any fly of the clade Eremoneura

eremoneurans
plural of eremoneuran

eresid
Any member of the family Eresidae of velvet spiders.

eresids
plural of eresid

erethizontoid
Any New World porcupine of the superfamily Erethizontoidea

erethizontoids
plural of erethizontoid

ergastoplasm
An endoplasmic reticulum that is studded with ribosomes.

ergastoplasms
plural of ergastoplasm

ergatandromorph
An andromorph ant that is also a worker

ergatandromorphs
plural of ergatandromorph

ergataner
Synonym of ergatandromorph

ergataners
plural of ergataner

ergate
A worker ant.

ergatogyne
An ant having an intermediate form between workers and standard gynes.

ergatogynes
plural of ergatogyne

ergatomorph
An ant with resemblance to a worker ant.

ergatomorphs
plural of ergatomorph

ergogenesis
Growth energy.
The enhancement of physical performance (especially in sports or exercise).

ericius
hedgehog

eriophyoid
Any herbivorous mite of the superfamily Eriophyoidea

eriophyoids
plural of eriophyoid

erk
A member of the groundcrew in the RAF.

erks
plural of erk

erniettomorph
Any primitive animal of the clade Erniettomorph

erniettomorphs
plural of erniettomorph

erotogenesis
origination in sexuality

erotylid
Any member of the Erotylidae family of insects; a pleasing fungus beetle.

erotylids
plural of erotylid

erpobdellid
Any leech of the family Erpobdellidae.

erpobdellids
plural of erpobdellid

erucism
An injury caused by contact with the toxic bristles of a caterpillar.

eschrichtiid
Any member of the family Eschrichtiidae of gray whales.

eschrichtiids
plural of eschrichtiid

escolar
Lepidocybium flavobrunneum, one of the snake mackerels.
Any fish of species Ruvettus pretiosus, oilfish.
Any of several other perciform fish of the family Gempylidae (snake mackerels).

escolars
plural of escolar

escrod
Archaic form of scrod.

escrods
plural of escrod

esomin
Any member of the Esominae subfamily of fishes.

esomins
plural of esomin

esquilax
A rabbit.

esquilaxes
plural of esquilax

estemmenosuchid
Any therapsid in the family Estemmenosuchidae.

estemmenosuchids
plural of estemmenosuchid

estivator
Any animal that estivates

estivators
plural of estivator

estrapade
The rearing, plunging, and kicking actions of a horse trying to get rid of its rider.
A form of torture in which the victim is suspended on a rope that is attached to a pulley, over a fire and repeatedly let down close to the flames and hauled up away from them, in order to prolong the suffering.

estrapades
plural of estrapade

estrobin
α,α-di(p-ethoxyphenyl)-β-phenylbromoethylene, a synthetic non-steroidal estrogen of the triphenylethylene group.

estromania
nymphomania (in humans or other animals)

estruation
Alternative form of oestruation.

estruations
plural of estruation

estuarine crocodile
Synonym of saltwater crocodile (Crocodylus porosus)

estuarine perch
Sander marinus, a species of perch.

etheriid
Any freshwater mussel in the family Etheriidae.

etheriids
plural of etheriid

ethnobiology
The study of the relationships between plants and animals and human cultures

ethnodifferentialism
Synonym of ethnopluralism.

ethnogeneses
plural of ethnogenesis

ethnogenesis
The emergence of a distinct, recognizable, ethnic identity.

ethnoichthyology
A subdiscipline of anthropology, examining human knowledge of fish and their uses.

ethnopluralism
A right-wing theory of multiculturalism, supporting separatism, and according to which cultures hinge on ethnicities bound to specific geographic locations.

ethnotaxonomy
The naming system for plants and animals used by a particular ethnic group
The study of such naming systems

ethnozoology
The study of past and present interrelationships between human cultures and animals.

ethologies
plural of ethology

ethology
The scientific study of animalian behavior, especially that of nonhuman animals.
The study of the human ethos.

ethylbutylacetylaminopropionate
A synthetic insect repellent structurally based on alanine and beta-alanine.

etimonotrysian
Any moth in the clade Etimonotrysia.

ettercap
Alternative form of attercop.

ettercaps
plural of ettercap

euagaric
A member of the fungal order Agaricales; a gilled mushroom.

euagarics
plural of euagaric

euarchontan
Any mammal of the clade Euarchonta.

euarchontans
plural of euarchontan

euarchontogliran
Any mammal of the superorder Euarchontoglires.

euarchontoglirans
plural of euarchontogliran

euarchontoglire
Alternative form of euarchontogliran.

euarchontoglires
plural of euarchontoglire

eubilaterian
Synonym of nephrozoan.

eubilaterians
plural of eubilaterian

eublepharid
Any lizard in the family Eublepharidae.

eublepharids
plural of eublepharid

eubrachyuran
Any crab of the section Eubrachyura

eubrachyurans
plural of eubrachyuran

euchromiine
Any tiger moth of the subtribe Euchromiina

euchromiines
plural of euchromiine

euconodont
Any member of the extinct Euconodonta group of conodonts.

euconodonts
plural of euconodont

eucryptodiran
Any turtle of the suborder Eucryptodira.

eucryptodirans
plural of eucryptodiran

eucryptodire
Alternative form of eucryptodiran.

eucryptodires
plural of eucryptodire

eucynodont
Any therapsid of the infraorder Eucynodontia.

eucynodontian
Any cynodont therapsid of the infraorder Eucynodontia

eucynodontians
plural of eucynodontian

eucynodonts
plural of eucynodont

eudicot
A member of the eudicots.

eudicots
plural of eudicot

eudicotyledon
Alternative form of eudicot.

eudicotyledons
Alternative form of eudicots.

eudoxid
The cormidium of a calycophoran siphonophore

euendoliths
plural of euendolith