The study of spined things, in particular sea urchins, and the resultant impact on taxonomy.
accomplisht
accomplisht
adj
Obsolete form of accomplished.
verb
(obsolete) simple past tense and past participle of accomplish
achatinella
achatinella
noun
Oahu tree snail (Achatinella spp.).
achlamydate
achlamydate
adj
(zoology) Not possessing a mantle.
achlamydeae
achloropsia
achloropsia
noun
Inability to distinguish the colour green.
achroglobin
achtehalber
acichloride
acidophiles
acidophiles
noun
plural of acidophile
acidophilic
acidophilic
adj
Easily stained with acidic dyes, such as eosin.
Thriving under acidic conditions; relating to or being an acidophile.
acidophilus
acidophilus
noun
Lactobacillus acidophilus, one of the bacteria commonly used in fermenting yogurt
acraldehyde
acraldehyde
noun
(organic chemistry) Synonym of acrolein
acrocephaly
acrocephaly
noun
The condition of suffering from a pointed skull.
acromphalus
acromphalus
noun
(pathology) An abnormal protrusion of the navel that sometimes leads to umbilical hernia
acrostichal
acrostichal
adj
(entomology, of bristles) Situated on the mesothorax of some dipteran flies
adelochorda
adrammelech
aeneolithic
aeneolithic
adj
Alternative form of Eneolithic
aesthetical
aesthetical
adj
Aesthetic.
Of or pertaining to aesthetics.
Of or pertaining to beauty.
afterschool
afterschool
adj
Of or pertaining to a program intended to care for and educate children in the time immediately after school classes.
Taking place immediately after school classes.
ahistorical
ahistorical
adj
Lacking historical perspective or context.
alcaldeship
alcaldeship
noun
The role or status of alcalde.
alcelaphine
alcelaphine
noun
(mammalogy) Any member of the subfamily Alcelaphinae of wildebeest, hartebeest, bonteboks and related species.
alchemising
alchemising
verb
present participle of alchemise
alchemister
alchemistic
alchemistic
Adjective
Of or pertaining to alchemists.
alchemistry
alchemistry
noun
(obsolete) alchemy
alchemizing
alchemizing
verb
present participle of alchemize
alchochoden
alchochoden
noun
(obsolete, UK, dialect, astrology) The planet which bears rule in the principal places of an astrological figure when a person is born.
alcoholemia
alcoholemia
noun
Alternative spelling of alcoholaemia
alcoholised
alcoholised
verb
simple past tense and past participle of alcoholise
alcoholisms
alcoholisms
noun
plural of alcoholism
alcoholized
alcoholized
adj
(chemistry) rectified
(obsolete) reduced to a fine powder
saturated, infused or under the influence of alcohol
verb
simple past tense and past participle of alcoholize
alcoholuria
alcoholysis
alcoholysis
noun
(organic chemistry) Solvolysis using an alcohol.
alcoholytic
alcoholytic
adj
Relating to alcoholysis
alethoscope
alethoscope
noun
An instrument for viewing pictures by means of a lens, so as to present them in their natural proportions and relations.
algorithmic
algorithmic
adj
(mathematics, computing) Of, relating to, or being an algorithm.
alkahestica
allocheiria
allochetite
allochroite
allochroite
noun
(mineralogy) Garnet.
allochroous
allochroous
adj
Changed in color, as plumage after moulting
allocochick
allocochick
noun
(archaic, historical) shell money used by Native American peoples of California
allographic
allographic
adj
Relating to allographs or allography.
allomorphic
allomorphic
adj
Pertaining to allomorphism or to allomorphs.
allopsychic
allopsychic
adj
(psychology) Relating to the relationship between the mind and the outside world
allotrophic
allotrophic
adj
Changed or modified in nutritive power by the process of digestion.
Of or pertaining to an allotroph.
alphabetics
alphabetics
noun
(dated) The science of representing spoken sounds by letters.
alphatoluic
amelanchier
amelanchier
noun
Any tree or shrub in the genus Amelanchier of the pome fruit subtribe Malinae of the family Rosaceae, with edible, blueberry-like fruit.
amethodical
amethodical
adj
Not methodical; unsystematic.
ampheclexis
amphicytula
amphilochus
amphiphilic
amphiphilic
adj
(biochemistry, of a protein, especially an alpha helix) Having one surface consisting of hydrophilic amino acids and the opposite surface consisting of hydrophobic (or lipophilic) ones.
(chemistry, of a molecule) Being a detergent: having both hydrophilic and hydrophobic (or lipophilic) groups.
amphiphloic
amphiphloic
adj
(botany) Of stems in which the phloem is both external and internal to the xylem.
amphistylic
amphistylic
adj
(anatomy, of a skull) Having the mandibular arch articulated with the hyoid arch and the cranium, as in the cestraciont sharks.
amphophilic
amphophilic
adj
(cytology) That can be stained with either an acidic or a basic dye.
anacoluthia
anacoluthia
noun
(grammar) A syntactic construction in which an element is followed by another that does not agree properly
anacoluthic
anacoluthic
adj
Of, pertaining to, being, or resembling an anacoluthon.
anacoluthon
anacoluthon
noun
(grammar) A sentence or clause that is grammatically inconsistent, especially with respect to the type of clausal or phrasal complement for the initial clause.
(rhetoric) Intentional use of such a structure.
anacoluttha
anaglyphics
anaglyphics
noun
plural of anaglyphic
anaphorical
anaphorical
adj
Synonym of anaphoric
anchorville
anchylosing
anchylosing
verb
present participle of anchylose
anencephaly
anencephaly
noun
A lethal birth defect in which most of the brain and parts of the skull are missing; absence of the encephalon.
angelomachy
angelomachy
noun
(rare) A battle between angels.
angletwitch
angletwitch
noun
(rare, dialectal) An angleworm; earthworm.
anglophilic
anglophilic
adj
Alternative letter-case form of Anglophilic
anglophobic
anglophobic
Adjective
Having an aversion to England or the English.
anhemolytic
anisalcohol
antechapels
antechapels
noun
plural of antechapel
antepaschal
antepaschal
adj
(religion) Relating to the time before the Passover, or before Easter.
antepaschel
anthecology
anthecology
noun
(biology) The study of the relationships between flowers and pollinators
anthranilic
anthranilic
adj
(organic chemistry) Of or pertaining to anthranilic acid or its derivatives
anthropical
anthropical
adj
Alternative form of anthropic
antialcohol
antialcohol
Adjective
Opposed to the drinking of alcohol.
antihelices
apathetical
apathetical
adj
Synonym of apathetic
aphelenchus
aphetically
aphetically
adv
(astrology) In an aphetic way: pertaining to the apheta.
(linguistics) In an aphetic way: through aphesis.
aphlogistic
aphlogistic
adj
(archaic) flameless
aplacophora
apotracheal
apotracheal
adj
Not associated with vascular tracheids
appalachian
appalachian
Adjective
Referring to the region of Appalachia or its characteristics.
Referring to the people and culture of Appalachia.
Noun
A person from Appalachia.
Proper noun
The dialect of people from Appalachia.
approachabl
aquashicola
arachnidial
arachnidial
adj
(anatomy) Relating to the arachnidium.
(zoology) Of or relating to the Arachnida.
arachnoidal
arachnoidal
adj
(anatomy) Pertaining to the arachnoid mater; arachnoid.
arachnology
arachnology
noun
The study of the Arachnida.
archaeolith
archaeology
archaeology
noun
The study of the past by excavation and analysis of its material remains:
the academic subject; in the USA: one of the four sub-disciplines of anthropology.
the actual excavation, examination, analysis and interpretation.
the actual remains together with their location in the stratigraphy.
archaically
archaically
adv
In an archaic manner.
archambault
archangelic
archangelic
adj
Of, relating to, resembling, or characteristic of archangels.
archapostle
archbuilder
archegonial
archegonial
adj
(botany) Relating to the archegonium.
archelochus
archeologic
archeologic
adj
(American spelling) Alternative spelling of archaeologic
archgomeral
archicytula
archilithic
archilochus
archimorula
archipelago
archipelago
noun
(by extension) Something scattered around like an archipelago.
(collective) A group of islands.
(now rare) The Aegean Sea.
architraval
architraval
adj
Of or relating to an architrave.
archleveler
archmarshal
archmarshal
noun
The grand marshal of the old German empire.
archoplasma
archplotter
archprelate
archprelate
noun
(ecclesiastical) An archbishop or other chief prelate.
archradical
archvillain
archvillain
noun
(chiefly narratology) A supreme villain; the most evil or powerful villain.
arhythmical
arhythmical
adj
Arrhythmic, having no rhythm.
arrythmical
arthritical
arthritical
adj
Archaic form of arthritic.
ascophyllum
asplanchnic
asthmatical
asthmatical
adj
Dated form of asthmatic.
atheistical
atheistical
adj
Of or relating to atheism; atheistic.
athleticism
athleticism
noun
A show of athletic prowess.
The state of being an athlete, or of taking part in athletic events.
auchincloss
aurichalcum
aurichalcum
noun
Alternative form of orichalcum
autarchical
autarchical
adj
autarchic
authentical
authentical
adj
(archaic) Authentic.
authenticly
authenticly
adv
Dated spelling of authentically.
autocephaly
autocephaly
noun
(Christianity) The condition where a church's leaders have severed ties to a larger body and thus no longer report to a higher authority.
avalanching
avalanching
verb
present participle of avalanche
bacchanalia
bacchanalia
noun
Any wild, orgiastic party or celebration.
bacchuslike
bacchylides
bacchylides
Proper noun
An Ancient Greek name, particularly borne by a 5th century Ancient Greek lyric poet.
bachelordom
bachelordom
noun
The state of a male who is a bachelor, i.e. unwed.
bachelorism
bachelorism
noun
A manner or peculiarity belonging to bachelors.
Bachelorhood.
bachelorize
bachelorize
verb
To confer a bachelor's degree on.
To live the life of a bachelor; to socialize without a wife.
To live without neither spouse nor children; to live alone or with other single people.