deuterostome
Any animal, of the subphylum Deuterostomia, in which the initial pore formed during gastrulation becomes the anus, and the second pore becomes the mouth.

deuterostomes
plural of deuterostome

deuterozooid
One of the secondary, and usually sexual, zooids produced by budding or fission from the primary zooids, in animals having alternate generations.

deuterozooids
plural of deuterozooid

deutocerebra
plural of deutocerebrum

deutocerebrum
The median lobes of the brain of an insect.

deutonymph
The third instar of a mite.

deutonymphs
plural of deutonymph

deutovum
The incompletely developed larva of a mite after shedding of the chorion

develin
The common swift.

develins
plural of develin

dewclaw
A digit, hoof or claw that does not reach the ground.

dewclaws
plural of dewclaw

dewlap
The pendulous skin under the neck of an ox, or a similar feature on any other animal.
The sagging flesh on the throat of an elderly human.

dewlaps
plural of dewlap

dewormer
Medicine used in deworming an animal.

dewormers
plural of dewormer

dhaman
The colubrid snake Ptyas mucosa.

dhamans
plural of dhaman

dhufish
The Western Australian fish Glaucosoma hebraicum.

diabetogenesis
The development of diabetes.

diablotin
The black-capped petrel, Pterodroma hasitata, of Caribbean waters.

diablotins
plural of diablotin

diabroticine
Any leaf beetle of the subtribe Diabroticina

diabroticines
plural of diabroticine

diaconals
plural of diaconal

diacope
tmesis

diadectomorph
Any member of the Diadectomorpha.

diadectomorphs
plural of diadectomorph

diamond mullet
Any of the species Planiliza alata of mullet fish.

diamond python
Morelia spilota spilota, a species of python, of Australia.

diamond turbot
A fish, Hypsopsetta guttulata

diamondback terrapin
Malaclemys terrapin, a species of turtle native to the brackish coastal tidal marshes of the Northeastern and southern United States, and in Bermuda.

diamondback terrapins
plural of diamondback terrapin

diapercritter
An anthropomorphic creature (whether sentient or portrayed with a suit) made entirely out of a single diaper or aesthetically-similar absorbent material; often stylised as a certain animal or fictional character with diaper tapes around its entire body.

diapercritters
plural of diapercritter

diaphasia
The variation in a language across degrees of formality.

diaplasis
The setting of a fracture or dislocation.

dias
Misspelling of dais.

diasporae
plural of diaspora

diatomyid
Any member of the Diatomyidae family of rodents.

diatomyids
plural of diatomyid

diatropism
The growth or movement of a plant or animal in a direction perpendicular to a stimulus.
An orthogonal arrangement of groups of atoms within a molecule, often associated with aromaticity.
The choice of an object of libidinal attachment on the basis of dissimilarity from early childhood protective and parental figures.

diatropisms
plural of diatropism

diaxon
A diaxonal spicule of a sponge.

diaxons
plural of diaxon

dibamid
Any lizard of the family Dibamidae.

dibamids
plural of dibamid

dice snake
Natrix tessellata, a European non-venomous snake belonging to the family of Colubridae, subfamily Natricinae.

dickinsoniomorph
A member of the genus Dickinsonia.

dickinsoniomorphs
plural of dickinsoniomorph

dicroglossid
Any member of the Dicroglossidae, a family of frogs.

dicroglossids
plural of dicroglossid

dictynoid
Any member of the Dictynoidea, a group of araneomorph spiders that have been treated as a superfamily.

dictynoids
plural of dictynoid

dictyopteran
Any of the polyneopterous insects of the order Dictyoptera: the termites, cockroaches and mantids

dictyopterans
plural of dictyopteran

dicyclanil
An insect growth regulator primarily used in veterinary medicine to prevent and control blowfly strike in sheep. It functions by inhibiting the development of fly larvae, thereby reducing infestations.

dicyemids
plural of dicyemid

dicynodont
A member of the infraorder Dicynodontia of dominant herbivores of the Late Permian, the most successful group of non-mammalian synapsids.

dicynodontid
Any therapsid in the family Dicynodontidae.

dicynodontids
plural of dicynodontid

dicynodonts
plural of dicynodont

didapper
A small diving water bird frequenting rivers and fresh waters, specifically a little grebe or dabchick.
A scoundrel, a worthless person

didappers
plural of didapper

didascalies
plural of didascaly

didelphoid
A member of the superfamily Didelphoidea, often used in a more restricted sense to refer to any member of a paraphyletic group of stem marsupialiforms.

didelphoids
plural of didelphoid

didemnid
Any member of the Didemnidae, tunicates that form colonies on the seabed in shallow waters.

didemnids
plural of didemnid

didymoconid
Any member of the Didymoconidae, an extinct family of eutherians.

didymoconids
plural of didymoconid

dieb
A canine of northern Africa, the African wolf (Canis lupaster, formerly considered an African variant of the golden jackal, Canis aureus).

diebs
plural of dieb

difflugid
Any member of the family Difflugidae of amoebae.

difflugids
plural of difflugid

diffractometry
The elucidation of the structures of crystalline materials by the use of X-ray diffraction

digeneses
plural of digenesis

dikelocephalid
Any trilobite of the family Dikelocephalidae.

dikelocephalids
plural of dikelocephalid

dilleniid
Any member of the subclass Dilleniidae.

dilleniids
plural of dilleniid

dimeroceratid
Any ammonite in the family Dimeroceratidae.

dimeroceratids
plural of dimeroceratid

dimetrodon
Any carnivorous synapsid, of the genus †Dimetrodon, from the Permian period

dimetrodons
plural of dimetrodon

dimorphoceratid
Any ammonite in the family Dimorphoceratidae.

dimorphoceratids
plural of dimorphoceratid

dimorphodon
A pterodactyl of the family Dimorphodontidae; a dimorphodontid.

dimorphodons
plural of dimorphodon

dinmont
A castrated sheep between one and two years old.

dinmonts
plural of dinmont

dinoceratan
Any of various extinct mammals, of the order †Dinocerata (syn. Uintatheria), somewhat similar to the rhinoceros.

dinoceratans
plural of dinoceratan

dinokaryote
A dinoflagellate that has a nucleus (dinokaryon).

dinokaryotes
plural of dinokaryote

dinokont
Any dinoflagellate having ventral flagella

dinokonts
plural of dinokont

dinomastigote
A dinoflagellate of the phylum Dinomastigota.

dinomastigotes
plural of dinomastigote

dinophycean
Any benthic dinoflagellate of the class Dinophyceae

dinophyceans
plural of dinophycean

dinophysioid
Alternative form of dinophysoid.

dinophysioids
plural of dinophysioid

dinophysoid
Any dinoflagellate of the subclass Dinophysoidia

dinophysoids
plural of dinophysoid

dinophyte
dinoflagellate

dinophytes
plural of dinophyte

dinopid
Any member of the family Deinopidae of net-casting spiders.

dinopids
plural of dinopid

dinotom
A photosynthetic endosymbiont in some dinoflagellates

dinotoms
plural of dinotom

diodontid
Any member of the family Diodontidae of porcupine fish.

diodontids
plural of diodontid

diomedeid
Any member of the Diomedeidae (the family of albatrosses).

diomedeids
plural of diomedeid

dionychan
Any spider of the clade Dionycha.

dionychans
plural of dionychan

diosmin
A semisynthetic drug (modified hesperidin), a member of the flavonoid family, used in the treatment of venous disease.

diplectanid
Any member of the Diplectanidae, a family of monopisthocotylean monogenean flatworms.

diplectanids
plural of diplectanid

dipleurula
A hypothetical larva of the ancestral echinoderm.

diploblast
Any diploblastic organism

diploblasts
plural of diploblast

diplodactylid
Any lizard in the family Diplodactylidae.

diplodactylids
plural of diplodactylid

diplodactylin
Any member of the Diplodactylinae subfamily of lizards.

diplodactylins
plural of diplodactylin

diplodactyloid
Any member of the Diplodactyloidea superfamily of lizards.

diplodont
Any of the genus Diplodon of mussels.

diplodonts
plural of diplodont