(ophthalmology) An instrument used to observe aberration of the eye
absorptance
absorptance
noun
(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.
absorptances
absorptances
noun
plural of absorptance
absorptiometric
absorptiometric
adj
Of or pertaining to the measurement of absorption.
acanthocarpous
acanthocarpous
adj
(botany) Having the fruit covered with spines.
acanthophorous
acanthophorous
adj
Spine-bearing.
acanthopterous
acanthopterous
adj
(zoology) Acanthopterygious
(zoology) Spiny-winged.
acapsular
acapsular
adj
(botany) Having no capsule.
acarapis
acarophilous
acarophilous
adj
(biology, rare) That lives in a symbiosis with mites
(botany, rare) That is pollinated by mites
acarpellous
acarpellous
adj
(botany) Having no carpels.
acarpelous
acarpelous
adj
Alternative spelling of acarpellous
acarpous
acarpous
adj
(botany) Not producing fruit; unfruitful; sterile.
accepters
accepters
noun
plural of accepter
acceptors
acceptors
noun
plural of acceptor
acceptress
acceptress
noun
(rare) A female acceptor.
accessaryship
accessaryship
noun
(law) The condition of being an accessary.
accipenser
accipenser
noun
Any sturgeon of the genus Acipenser.
accipitres
accipitrines
accipitrines
noun
plural of accipitrine
accomplisher
accomplisher
noun
One who accomplishes.
accomplishers
accomplishers
noun
plural of accomplisher
achlorophyllous
achlorophyllous
adj
(botany) not having chlorophyll and, hence, unable to engage in photosynthesis
achloropsia
achloropsia
noun
Inability to distinguish the colour green.
achondroplasia
achondroplasia
noun
(teratology) A genetic disorder, the most common form of short limb dwarfism.
achondroplastic
achondroplastic
adj
(teratology) Of, related to, or suffering from achondroplasia.
achromatopsia
achromatopsia
noun
achromatopia
achromatopsy
achromatopsy
noun
color blindness; inability to distinguish colors; daltonism, achromatopia
achromophilous
achromophilous
adj
Not chromophilous.
achropsia
acipenser
acipenseres
acipenserid
acipenserid
noun
(ichthyology) Any member of the Acipenseridae (the true sturgeons)
acipenseridae
acipenserine
acipenserine
adj
Pertaining to sturgeons
acipenseroid
acipenseroid
noun
Synonym of chondrostean
acipenseroidei
acraspeda
acraspeda
noun
(zoology) A group of acalephs that includes most of the larger jellyfish
acraspedote
acraspedote
adj
Relating to jellyfish of the class Acraspeda
acridophagus
acridophagus
noun
(rare) One who eats grasshoppers and locusts
acroasphyxia
acroasphyxia
noun
(pathology) Impaired circulation to the fingers
acrocarpous
acrocarpous
adj
(botany) Developing the archegonium on the summit of the primary stem; fruiting at tips, in the manner of mosses.
acrocephalous
acrocephalous
adj
(pathology) Of or pertaining to acrocephaly
acromioscapular
acromioscapular
adj
(anatomy) Relating to the acromion and the scapula
acromphalus
acromphalus
noun
(pathology) An abnormal protrusion of the navel that sometimes leads to umbilical hernia
acroparalysis
acroparalysis
noun
Paralysis of the extremities.
acroparesthesia
acroparesthesia
noun
(medicine) severe pain in the extremities
acrophobias
acrophobias
noun
plural of acrophobia
acrophonies
acrophonies
noun
plural of acrophony
acropoleis
acropoleis
noun
plural of acropolis
acropolis
acropolis
noun
A promontory (usually fortified with a citadel) forming the hub of many Grecian cities, and around which many were built for defensive purposes before and during the classical period; compare Acropolis.
acropolises
acroscopic
acroscopic
adj
Toward or facing the apex.
acrosphacelus
acrospire
acrospire
noun
(botany) The sprout at the end of a seed when it begins to germinate.
verb
To put forth the first sprout.
acrospired
acrospired
verb
simple past tense and past participle of acrospire
acrospiring
acrospiring
verb
present participle of acrospire
acrospore
acrospore
noun
A spore borne at the extremity of the cells of fructification in fungi.
acrosporous
acrosporous
adj
having acrospores
acrotrophoneurosis
actinocarpous
actinomorphous
actinomorphous
adj
(botany, of a flower) Having petals arranged in a radially symmetric pattern.
actinophorous
actinophorous
adj
(biology) Having straight projecting spines
actinophrys
actinopraxis
actinopterous
actinopterygious
actinosphaerium
actinostereoscopy
actinotherapeutics
actinotherapeutics
noun
actinotherapy
actorship
actorship
noun
The state or quality associated with being an actor.
actuaryship
actuaryship
noun
The role or status of actuary.
acupress
acupress
verb
(transitive) To apply acupressure to.
acupressure
acupressure
noun
(countable) An act or instance of applying an acupressure technique.
(dated) A mode of arresting hemorrhage resulting from wounds or surgical operations, by passing under the divided vessel a needle, the ends of which are left exposed externally on the cutaneous surface.
(uncountable) An alternative medicine technique, derived from acupuncture, in which physical pressure is applied to acupoints.
acupressures
acupressures
noun
plural of acupressure
acupunctures
acupunctures
noun
plural of acupuncture
verb
Third-person singular simple present indicative form of acupuncture
acupuncturist
acupuncturist
noun
A healthcare professional who is qualified or professionally engaged in the practice of acupuncture.
acupuncturists
acupuncturists
noun
plural of acupuncturist
adiaphoristic
adiaphoristic
adj
(theology) Theologically indifferent.
adipocerous
adipocerous
adj
Like adipocere.
adscript
adscript
adj
Held to service as attached to the soil; said of feudal serfs.
noun
(typography) Something written or printed immediately after another character and aligned with it.
A feudal serf or labourer who is attached to an estate and sold or transferred with it.
verb
(transitive) To hold (a person) to service as attached to the soil; said of feudal serfs.
adscripted
adscripted
verb
simple past tense and past participle of adscript
adscription
adscription
noun
The state of being joined, bound or annexed
adscriptitious
adscriptitius
adscriptive
adscriptive
adj
Attached or annexed to the glebe or estate and transferable with it.
adscripts
adscripts
noun
plural of adscript
aechmophorus
aecidiospore
aeciospore
aeciospore
noun
(botany) A binucleate spore of a rust fungus, formed in a chainlike series in an aecium.
aeciospores
aeciospores
noun
plural of aeciospore
aecioteliospore
aepyceros
aerobioscope
aerobioscope
noun
An instrument that collects the bacterial content of air
aerocolpos
aerocolpos
noun
(rare, medicine) Vaginal gas; air or gas trapped in the vagina.
aerographics
aerographics
noun
Synonym of aerography (“production of weather charts”)
aerophysical
aerophysical
adj
Relating to aerophysics.
aerophysicist
aerophysics
aerophysics
noun
(physics) The physics of the design and construction of aerodynamic devices
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
aeroscepsis
aeroscepsy
aeroscepsy
noun
(zoology) The ability to perceive the state of the atmosphere.
aeroscope
aeroscope
noun
A device used to collect dust particles, spores etc from the air for subsequent analysis.
A type of compressed air camera for making films, constructed by Polish inventor Kazimierz Prószyński in 1909
aeroscopic
aeroscopic
adj
Relating to aeroscopy.
aeroscopically
aeroscopy
aeroscopy
noun
(obsolete, meteorology) The branch of meteorology that involves the scientific examination of the various properties and composition of the atmosphere, and their variation
(rare) divination by observation of the sky
(zoology) aeroscepsy
aerospace
aerospace
adj
Of, or relating to the Earth's atmosphere and nearby space.
Of, or relating to the science, technology and industry associated with aircraft, missiles, satellites and spacecraft.
noun
The atmosphere of the Earth and the region of space around it.
The industry concerned with aircraft, missiles, satellites and spacecraft.
aerotherapeutics
aerotherapeutics
noun
The treatment of disease by the use of air or other gases.
aethrioscope
aethrioscope
noun
(meteorology) A device for measuring temperature variations due to different atmospheric conditions, such as cloud or clear skies.
affenpinscher
affenpinscher
Noun
A breed of toy dog bred in Western Europe.
africanthropus
afterpieces
afterpieces
noun
plural of afterpiece
afterspeech
agoraphobics
agoraphobics
noun
plural of agoraphobic
agranuloplastic
agrostographic
agrostographical
airgraphics
airgraphics
noun
(dated) aerography; meteorology
airscape
airscape
noun
The view of the sky, or an artistic work that visually represents it.
airscapes
airscapes
noun
plural of airscape
airspace
airspace
noun
(aviation) that part of the sky designated for the sole use of aircraft.
(broadcasting) Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
(construction) The cavity in a cavity wall containing air for insulation.
(politics, aviation) A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.
The portion of an enclosed area which contains air, especially breathable air.
airspaces
airspaces
noun
plural of airspace
alectoromorphous
alectoropodes
alectoropodous
aleuroscope
algesireceptor
alopecurus
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alphanumerics
alphanumerics
noun
plural of alphanumeric
altarpieces
altarpieces
noun
plural of altarpiece
ambleocarpus
amblyocarpous
amidophosphoric
amphibrachs
amphibrachs
noun
plural of amphibrach
amphicarpogenous
amphicarpous
amphicarpous
adj
Alternative form of amphicarpic
amphicarpus
amphicyrtous
amphidiscophora
amphidiscophoran
amphidiscophoran
noun
Any glass sponge of the subclass Amphidiscophora
amphimacers
amphimacers
noun
plural of amphimacer
amphisarca
amphitrichous
amphitrichous
adj
(biology) (of bacteria) Having a single flagellum on each of two opposite ends. (Only one flagellum operates at a time, allowing the bacterium to reverse course rapidly by switching which flagellum is active.)
amylophosphoric
anaeroplastic
anamorphoscope
anamorphoscope
noun
A mirrored device which gives a correct image of an anamorphosis.
anaphrodisiac
anaphrodisiac
adj
Antaphrodisiac (capable of reducing the sex drive).
noun
An antaphrodisiac (substance which reduces the sex drive).
anchorperson
anchorperson
noun
The primary reporter on a television news broadcast.
androcephalous
androcephalous
adj
Having a human head (upon an animal's body), like the Egyptian sphinx.
anerythroplastic
angiocardiographies
angiocarpous
angiocarpous
adj
describing a plant whose fruit is in an envelope and not part of a calyx