(biology) Of or pertaining to something at its lowest point; designating the part opposite to the apex.
ablepsia
ablepsia
noun
(medicine, rare) Lack of sight; blindness.
abruptly
abruptly
adv
In an abrupt manner; without giving notice, or without the usual forms; suddenly; precipitously.
acalepha
acalepha
Proper noun
A group of coelenterates including the jellyfish and sea nettles.
acalephe
acalephe
noun
Alternative form of acaleph
acalephs
acalephs
noun
plural of acaleph
acalypha
acalypha
noun
Any of the genus Acalypha of flowering plants in the family Euphorbiaceae.
acapnial
acapnial
adj
Of or relating to acapnia.
acapulco
accompli
accouple
accouple
verb
(transitive, obsolete, rare) To join; to couple.
acephala
acephali
acephali
noun
(ecclesiastical history) Bishops and certain clergymen not under regular diocesan control.
(ecclesiastical history) The Eutychians, a Christian sect in the year 482 without a leader. See http://www.newadvent.org/cathen/01100c.htm.
A class of levelers in the time of King Henry I.
A people reported by Herodotus and Josephus to have no heads or removable heads.
plural of acephalus
adelopod
adelopod
noun
(zoology) An animal having feet that are not apparent.
adelphia
adelphia
noun
Any plant of the genus Adelphia, of Latin America.
adelphic
adelphic
adj
Describing a form of polyandry in which a woman is married to two or more brothers
fraternal
adelphoi
adolphus
aegilops
aegilops
noun
(obsolete) The goatgrass (Aegilops spp.) or other grass found as a corn-weed.
An ulcer or fistula in the inner angle of the eye.
aglaspis
airplane
airplane
noun
(US, Canada, Philippines) Alternative form of aeroplane
airplays
airplays
noun
plural of airplay
alcapton
alcapton
noun
Alternative spelling of alkapton
aleiptes
aleiptic
aleppine
aleppine
Adjective
relating to Aleppo
Noun
someone from Aleppo
algraphy
algraphy
noun
(photography) An early photographic technique, similar to zincography or lithography, using paper impregnated with an aluminium salt.
alkapton
alkapton
noun
homogentisic acid
alleppey
allopath
allopath
Noun
A practitioner of allopathy
allotype
allotype
noun
(biochemistry) A genetically determined variant of the amino acid sequence of a protein.
(immunology) An immunoglobulin allotype; the allele of the antibody chains found in an individual.
(zoology, taxonomy) A designated paratype of a species (or lower-order taxon) that is the opposite sex of the holotype.
allotypy
allotypy
noun
The occurrence of multiple allotypes within a single individual.
allspice
allspice
noun
(countable) Pimenta dioica, an evergreen tree of tropical America with aromatic berries.
(uncountable) A spice; the dried and ground unripe fruit of Pimenta dioica, thought to combine the flavours of several spices, such as cinnamon, nutmeg and cloves.
alopecia
alopecia
noun
(medicine) Loss of hair (especially on the head) or loss of wool or feathers, whether natural or caused by disease.
(pathology) Deficiency of the hair, which may be caused by failure to grow or loss after growth.
Baldness.
alopecic
alopecic
adj
Relating to or suffering from alopecia.
alopecus
alopekai
alphabet
alphabet
noun
(India, Hong Kong, Singapore, Malaysia) An individual letter of an alphabet; an alphabetic character.
(Internet slang, politics) An agent of the FBI, the CIA, or another such government agency.
(computer science) A typically finite set of distinguishable symbols.
A writing system in which letters represent phonemes. (Contrast e.g. logography, a writing system in which each character represents a word, and syllabary, in which each character represents a syllable.)
A writing system in which there are letters for the consonant and vowel phonemes. (Contrast e.g. abjad.)
The set of letters used when writing in a language.
The simplest rudiments; elements.
verb
(rare) To designate by the letters of the alphabet; to arrange alphabetically.
alphecca
alphecca
Proper noun
a binary star in the constellation Corona Borealis, about 75 light years away
alphenic
alphenic
noun
(rare) White barley sugar
alphonsa
alphonse
alphonso
alphonso
Proper noun
name, variant of Alfonso.
alphorns
alphorns
noun
plural of alphorn
alphosis
alphosis
noun
(medicine, obsolete) Albinism.
alpigene
alpinely
alpinely
adv
In an alpine way, loftily.
alpinery
alpinism
alpinism
noun
(sometimes capitalized) Mountain climbing.
alpinist
alpinist
adj
(skiing) Pertaining to alpine skiing or downhill skiing.
Of or pertaining to alpinism.
noun
(skiing) Synonym of alpine skier
(skiing, sometimes capitalized) A downhill skier who practises the sport on high mountains.
(sometimes capitalized) A mountain climber, especially in the European Alps or in ranges of similar ruggedness and elevation.
alymphia
amblyope
amblyope
noun
A person afflicted with amblyopia.
amblypod
ampalaya
ampalaya
noun
(Philippines) bitter melon
ampelite
ampelite
noun
(mineralogy) A carbonaceous alum schist.
(mineralogy) An earth abounding in pyrites, used by the ancients to kill insects, etc., on vines.
amphoral
amphoral
adj
Of, pertaining to, or in the shape of an amphora
amplexus
amplexus
noun
A form of pseudocopulation, found chiefly in amphibians and horseshoe crabs, in which a male grasps a female with his front legs as part of the mating process.
ampliate
ampliate
adj
(zoology) Having the outer edge prominent; said of the wings of insects.
verb
(transitive, obsolete) To enlarge.
ampoules
ampoules
noun
plural of ampoule
ampulate
ampullae
ampullae
noun
plural of ampulla
ampullar
ampullar
adj
Resembling an ampulla.
anableps
anableps
noun
Any of the genus Anableps of "four-eyed" fishes (having eyes raised above the top of the head and divided into two parts) found in brackish waters in northern South America and Trinidad.
anaglyph
anaglyph
noun
A decorative ornament worked in low relief or bas relief, such as a piece of cameo jewelry.
A matched pair of images designed to produce a three-dimensional effect when viewed using spectacles that have usually one red and one bluish-green lens, corresponding to the colors of the pairs of images.
analepsy
analepsy
noun
(medicine) analepsis
anaplasm
anapolis
anglepod
anophele
anoplura
antelope
antelope
noun
(US) The pronghorn, Antilocapra americana.
(archaic, mythology) A fierce legendary creature said to live on the banks of the Euphrates, having long serrated horns and being hard to catch.
Any of several African mammals of the family Bovidae distinguished by hollow horns, which, unlike deer, they do not shed.
antilope
antipill
antipill
adj
(finance) Opposing a poison pill.
(not comparable) Preventing or countering the formation of pills on fabric.
Opposing the contraceptive pill.
antipole
antipole
noun
(geography) The opposite pole.
(geometry) A position directly opposite (possibly also used figuratively).
antipolo
antipolo
noun
(archaic) The breadfruit tree.
antipool
antipool
adj
Synonym of antipooling
antislip
antislip
adj
Preventing slipping.
anviltop
anyplace
anyplace
adv
(informal, chiefly US) At a non-specific place; anywhere.
apellous
apellous
adj
(anatomy) Not covered by skin. Said of a circumcised penis, which has had its prepuce (foreskin) removed.
apetalae
aphacial
aphakial
aphakial
adj
(ophthalmology, dated) Pertaining to or exhibiting aphakia; aphakic.
aphelian
aphelian
adj
(astronomy) Relating to aphelion
aphelion
aphelion
noun
(astronomy) The point in the elliptical orbit of a planet, comet, etc., where it is farthest from the Sun.
aphelops
aphlebia
aphlebia
noun
(botany) An imperfect or irregular leaf ending (commonly found on ferns)
apholate
apically
apically
adv
In an apical manner or direction; towards an apex.
apicella
apicilar
apicular
apicular
adj
Situated at, or near, the apex; apical.
apiculus
apiculus
Noun
The part of a spore which attaches to the sterigmata at the end of a basidium.
apioidal
apiology
apiology
noun
The scientific study of bees and honey-making.
aplasias
aplasias
noun
plural of aplasia
aplastic
aplastic
adj
(pathology) Relating to aplasia.
(pathology) Relating to the inability of the body to create new cells, such that tissue cannot grow or regenerate.
aplotomy
aplustra
aplustre
aplustre
noun
(historical, nautical) An ornamental appendage of wood at the stern of a Roman ship, usually spreading like a fan and curved like a bird's feather.
apoblast
apodemal
apolista
apolline
apollyon
apollyon
Proper noun
The destroying angel of the underworld, the undoer or disintegrator.
apologal
apologal
adj
(literature) Relating to an apologue.
apologer
apologer
noun
(obsolete) A teller of apologues.
apologia
apologia
noun
A written defense of a position or belief.
apologue
apologue
noun
(rhetoric) The use of fable to persuade the audience.
A short story with a moral, often involving talking animals or objects; a fable.
apolunes
apolunes
noun
plural of apolune
apolusis
apolysin
apolysis
apolysis
noun
(biology) The separation of the cuticula from the epidermis in arthropods and related groups.
(religion) A prayer of dismissal at the end of an Eastern Orthodox service
apoplexy
apoplexy
noun
(informal) A state of intense and almost uncontrollable anger.
(medicine) Gross hemorrhage into a cavity or into the substance of an organ.
(medicine, dated) Unconsciousness or incapacity resulting from a cerebral hemorrhage or stroke.
apostils
apostils
noun
plural of apostil
apostles
apostles
noun
(law) Letters dismissory.
plural of apostle
apostoli
appalled
appalled
adj
Shocked, horrified by something unpleasant.
verb
simple past tense and past participle of appal
simple past tense and past participle of appall
apparail
apparels
apparels
verb
Third-person singular simple present indicative form of apparel
appealed
appealed
verb
simple past tense and past participle of appeal
appealer
appealer
noun
(linguistics) A speech act intended as an appeal.
One who makes an appeal.
appellee
appellee
noun
(US, law) A respondent.
appellor
applauds
applauds
noun
plural of applaud
verb
Third-person singular simple present indicative form of applaud
applause
applause
noun
The act of applauding; approbation and praise publicly expressed by the clapping of hands, stamping or tapping of the feet, acclamation, huzzas, or other means; marked commendation.
applenut
appleton
appleton
Proper noun
Place names in England, named for an apple enclosure.
a village in Oxfordshire. Originally in Berkshire.
a suburb of Warrington, Cheshire.
A town in Maine.
A city in Minnesota.
A town in Newfoundland and Labrador, Canada
An unincorporated community in Tennessee.
A city in Wisconsin
from either of the places.
appliant
appliers
appliers
noun
plural of applier
applique
applique
noun
(art) A decorative design made by cutting pieces of material and applying them to the surface of another for decoration.
verb
(transitive, art) To decorate something in this way.
applying
applying
noun
The act of applying; an application.
verb
present participle of apply
apprizal
apprizal
noun
Archaic form of appraisal.
approval
approval
noun
(especially philately) Something mailed by a seller to a collector to match their stated interests; the collector can approve of or return the item.
An expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing, or event meets requirements.
An expression of favorable acceptance and encouragement; a compliment that also condones.
appulses
appulses
noun
plural of appulse
aprickle
aprickle
adj
Prickling.
apriline
apronful
apronful
noun
as much as an apron will hold
apterial
apteryla
aptyalia
aptyalia
noun
(medicine) Reduced secretion of saliva.
apuleius
apuleius
Proper noun
An author in the Roman Empire,
archpall
armplate
armplate
noun
Plate armour worn on one's arms.
asclepin
asclepin
Noun
A particular steroid glycoside.
ashplant
ashplant
noun
(Ireland) A walking stick.
A stick kept for administering corporal punishment, a cane.
An ash sapling.
asparkle
asparkle
adj
Sparkling.
aspartyl
aspartyl
noun
(organic chemistry, especially in combination) The univalent radical obtained by removal of a hydrogen atom from the carboxylic acid group of aspartic acid
aspergil
asperula
asphalts
asphalts
verb
Third-person singular simple present indicative form of asphalt
asphodel
asphodel
noun
(Greek mythology) The flower said to carpet Hades, and a favorite food of the dead.
Flowering plants of the family Asphodelaceae, especially Asphodelus ramosus and Asphodelus albus; the flowers of these plants.