(medicine) A birth defect in which the head is absent
achropsia
acidophil
acidophil
noun
(immunology) An eosinophil; a white blood cell responsible for combating infection by parasites in the body.
One of the endocrine acidophilic cells of the adenohypophysis, including somatotrophs and lactotrophs.
actorship
actorship
noun
The state or quality associated with being an actor.
adelphian
adephagia
adeptship
adeptship
noun
The role or status of an adept.
adiaphora
adiaphora
noun
(nonstandard, uncommon) in singular use
plural of adiaphoron
adiaphory
adiaphory
noun
(obsolete) indifference
aerophile
aerophile
noun
(biology) Any air-breathing organism.
One who has an interest in flying.
aftership
agentship
agentship
noun
(countable) The office or position of an agent.
(uncountable) A means of effecting something; agency.
agraphias
agraphias
noun
plural of agraphia
airphobia
algraphic
algraphic
adj
Of or pertaining to algraphy.
alienship
alienship
noun
The state or status of being alien.
aliphatic
aliphatic
adj
(organic chemistry) Of a class of organic compounds in which the carbon atoms are arranged in an open chain.
noun
(chiefly in the plural) A petroleum fraction containing no aromatic compounds
A compound of this type.
alispheno
allophite
alopathic
alphonist
alphonsin
alphonsin
noun
Alternative form of Alphonsin
alsophila
altigraph
altigraph
noun
An altimeter that makes a recording on a chart.
amidships
amidships
adv
(figuratively) On the flank, at a vulnerable place.
(nautical) In the middle of a ship, either longitudinally or laterally.
(nautical) Usually in the line of the keel, but sometimes halfway between bow and stern; often contracted to “midships.” (FM 55-501).
intj
A helm order, normally shortened to midships!, to centre the helm in the line of the keel.
ammophila
amorphism
amorphism
noun
An amorphous quality.
amphibali
amphibial
amphibial
adj
Archaic form of amphibian.
amphibian
amphibian
adj
(obsolete) Having two natures.
Capable of operating on both land and water amphibious.
Of or relating to the class Amphibia.
noun
A vehicle which can operate on land and water. See Wikipedia article on "Amphibious aircraft"
An animal of the Amphibia; any four-legged vertebrate that does not have amniotic eggs, living both on land and in water.
amphibion
amphibium
amphibium
noun
(archaic) An amphibian.
amphibola
amphibole
amphibole
noun
(mineralogy) Any of a large group of structurally similar hydrated double silicate minerals, containing various combinations of sodium, calcium, magnesium, iron, and aluminium/aluminum
amphiboly
amphiboly
noun
(grammar) An ambiguous grammatical construction.
amphicome
amphicome
Noun
A kind of figured stone, rugged and beset with eminences, anciently used in divination.
amphicyon
amphidisc
amphidisc
noun
(zoology) A small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.
amphidisk
amphigaea
amphigean
amphigean
adj
Extending over all the zones of the Earth, from the tropics to the poles.
amphigene
amphigene
noun
(mineralogy) Leucite.
amphigony
amphigony
noun
(obsolete) sexual reproduction
amphigory
amphigory
noun
A nonsense verse; a rigmarole, with apparent meaning, which on further attention proves to be meaningless.
amphilogy
amphilogy
noun
ambiguity of speech; equivocation
amphinome
amphionic
amphioxis
amphioxus
amphioxus
noun
The lancelet, particularly of the genus Branchiostoma.
amphipoda
amphipods
amphipods
noun
plural of amphipod
amphiscii
amphiscii
noun
amphiscians
amphisile
amphissus
amphitene
amphitoky
amphitron
amphitruo
amphophil
amphophil
noun
(cytology) Any amphophilic cell
anaphalis
anaphasic
anaphasic
adj
(cytology) Relating to the anaphase.
anaphoria
anaphoria
Noun
A tendency for both eyes to look upward.
anaphoric
anaphoric
adj
Of, or relating to, an anaphora.
anaptychi
anaptychi
noun
plural of anaptychus
angelship
anglophil
anophoria
anthropic
anthropic
adj
Of or pertaining to mankind or humans, or the period of humanity's existence.
antigraph
antigraph
noun
(obsolete) A copy or transcript.
(textual criticism) A manuscript from which a copy (apograph) is made.
antipasch
antipathy
antipathy
noun
A feeling of dislike (normally towards someone, less often towards something); repugnance or distaste often without any conscious reasoning.
Natural contrariety or incompatibility
antiphase
antiphase
adj
(sciences) Describing a boundary between an ordered phase and a disordered or random phase
noun
(physics, mathematics) A difference in phase (of two waves) of 180°
antiphona
antiphons
antiphons
noun
plural of antiphon
antiphony
antiphony
noun
(music, singing) alternate, or responsive singing by a choir split into two parts; a piece sung or chanted in this manner
alternate, or responsive ideas or opinions; juxtaposition
apalachin
apartheid
apartheid
noun
(South Africa, historical) The policy of racial separation used by South Africa from 1948 to 1990.
(by extension) A policy or situation of segregation based on some specified attribute.
(by extension) Any similar policy of racial separation/segregation and discrimination.
verb
To impose a policy of segregation of groups of people, especially one based on race.
apathetic
apathetic
adj
Of, or pertaining to apatheism.
Void of feeling; not susceptible of deep emotion.
aphanisia
aphanisis
aphanisis
noun
(psychology) The disappearance of sexual desire, supposed to be the foundation of all neuroses.
aphanites
aphanites
noun
plural of aphanite
aphanitic
aphanitic
adj
(geology, petrology) Pertaining to aphanites, igneous rocks composed of microscopic mineral crystals (fine grains too small to be visible to the naked eye.
aphasiacs
aphasiacs
noun
plural of aphasiac
aphelilia
aphelinus
apheresis
apheresis
noun
(linguistics, prosody) Elision, suppression, or complete loss of a letter or sound (syllable) from the beginning of a word, such as the development of special from especial; procope.
(medicine, general, obsolete) Extirpation or extraction of a superfluity (especially a pathological one) from the body, especially blood.
(medicine, specific, still current) The removal of blood from a patient, and the removal of certain components (such as platelets) from that blood, followed by the transfusion of the filtered blood back to the donor (patient).
apheretic
apheretic
adj
US standard spelling of aphaeretic.
aphicidal
aphicidal
adj
That kills aphids
aphidians
aphidians
noun
plural of aphidian
aphididae
aphidious
aphidlion
aphidozer
aphidozer
noun
A device like a hopperdozer for the removal of aphids.
aphislion
aphorised
aphorised
verb
simple past tense and past participle of aphorise
aphoriser
aphoriser
noun
An aphorist.
aphorises
aphorises
verb
Third-person singular simple present indicative form of aphorise
aphorisms
aphorisms
noun
plural of aphorism
verb
Third-person singular simple present indicative form of aphorism
aphorists
aphorists
noun
plural of aphorist
aphorized
aphorized
verb
simple past tense and past participle of aphorize
aphorizer
aphorizer
noun
Alternative form of aphoriser
aphorizes
aphorizes
verb
Third-person singular simple present indicative form of aphorize
aphotaxis
aphrizite
aphrodite
aphrodite
noun
(mineralogy) A soft and earthy mineral of a white or yellowish color, and with a waxy lustre, found at Langbanshytta in Sweden. It is a hydrated silicate of magnesia, and resembles meerschaum.
aphrolite
aphyllies
apiphobia
apiphobia
noun
An inordinate fear of bees.
apishness
apishness
noun
The state or quality of being apish.
apjohnite
apjohnite
noun
(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, manganese, oxygen, and sulfur.
apocholic
apophasis
apophasis
noun
(Christianity, philosophy, theology) A process of arriving at knowledge by statements of denial; particularly, developing a concept of God through negative assertions about his nature.
(rhetoric) An allusion to something by denying that it will be mentioned.
apophatic
apophatic
adj
(by extension) That which passively defines a thing by describing what it is not characteristic thereof.
(theology) Pertaining to knowledge of God obtained through negation rather than positive assertions.
apophonia
apophonic
apophonic
adj
Of, pertaining to or characterized by apophony.
apophysis
apophysis
noun
(anatomy) A natural outgrowth, swelling or enlargement, usually of an organism; a protuberance on a bone.
(botany) The external part of a cone scale.
(geology) A branch of a dike or vein.
aporphine
aporphine
noun
(organic chemistry) One of a class of quinoline alkaloids from which apomorphine can be derived.
aporrhais
apothecia
apothecia
noun
plural of apothecium
apothesis
apothesis
noun
(architecture) A place on the south side of the chancel in primitive churches, furnished with shelves, for books, vestments, etc.
A dressing room connected with a public bath.
arabophil
arapahite
arapahite
noun
(mineralogy) A dark, fine-grained magnetite basalt mineral.
archicarp
archicarp
noun
The female reproductive structure of an ascomycete.
archpiece
arhatship
arhatship
Noun
The state of being an arhat.
asaphidae
asphalius
asphaltic
asphaltic
adj
(obsolete) Of or relating to the Dead Sea (salt lake between Jordan and Israel).
Resembling, containing, or relating to asphalt or bitumen.
asphyctic
asphyctic
adj
Pertaining to asphyxia.
asphyxial
asphyxial
adj
Of or relating to asphyxia.
asphyxias
asphyxias
noun
plural of asphyxia
asphyxied
asphyxied
verb
simple past tense and past participle of asphyxy
asphyxies
asphyxies
noun
plural of asphyxy
verb
Third-person singular simple present indicative form of asphyxy
astrophil
astrophil
noun
Obsolete form of astrophile.
athrepsia
athrepsia
noun
(pathology) Profound debility of children due to lack of food and to unhygienic surroundings.
athreptic
athreptic
adj
Relating to athrepsia
atmophile
atmophile
noun
(chemistry, geology) in the Goldschmidt classification, a gaseous element that concentrates in the atmosphere.
atrophias
atrophias
noun
plural of atrophia
atrophied
atrophied
adj
Characterized by atrophy.
verb
simple past tense and past participle of atrophy
atrophies
atrophies
noun
plural of atrophy
audiphone
audiphone
noun
An instrument which, placed against the teeth, conveys sound to the auditory nerve and enables the deaf to hear more or less distinctly.
augurship
augurship
noun
(historical) The office (or period of office) of an augur in ancient Rome.
auriphone
autophagi
autophagi
noun
(zoology) Birds that are able to run about and obtain their own food as soon as they are hatched.