The absence (or loss) of pigmentation in the hair.
achromous
achromous
adj
colorless; achromatic
achromycin
achronical
achronical
adj
(astronomy) Alternative form of achronic
achronism
achronychous
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
achroodextrinase
achroous
achroous
adj
Colorless; achromatic.
achropsia
achtehalber
achtelthaler
achter
achterveld
achyranthes
achyranthes
noun
plural of achyranthe
achyrodes
acichlorid
acichloride
acidanthera
acidanthera
noun
Any of the gladioli previously placed in the genus Acidanthera.
ackworth
acocanthera
acocantherin
acocantherin
noun
Alternative form of acokantherin
acraldehyde
acraldehyde
noun
(organic chemistry) Synonym of acrolein
acridophagus
acridophagus
noun
(rare) One who eats grasshoppers and locusts
acritochromacy
acritochromacy
noun
(archaic, medicine) Color blindness, achromatopsia.
acroaesthesia
acroaesthesia
noun
(pathology) hyperaesthesia, especially that affects the hands or feet
acroanesthesia
acroanesthesia
noun
Alternative form of acroanaesthesia
acroarthritis
acroarthritis
noun
(pathology) arthritis in the joints of the hands or feet
acroasphyxia
acroasphyxia
noun
(pathology) Impaired circulation to the fingers
acrobatholithic
acrobatholithic
adj
Relating to the upward-projecting dome of a batholith
acrocephalia
acrocephalia
noun
(medicine) A deformity of the head in which the top is more or less pointed.
acrocephalic
acrocephalic
adj
Possessing a pointed skull.
noun
A person suffering from a pointed skull.
acrocephalous
acrocephalous
adj
(pathology) Of or pertaining to acrocephaly
acrocephaly
acrocephaly
noun
The condition of suffering from a pointed skull.
acrochordidae
acrochordinae
acrochordon
acrochordon
noun
(medicine) A soft, pedunculated or pensile wart, consisting of myomatous or edematous fibrous tissue, often found on the neck or eyelids of elderly persons.
acrocorinth
acroesthesia
acroesthesia
noun
Alternative spelling of acroaesthesia
acrography
acrography
noun
A method of relief etching on wood, metal, or stone by means of a coating of compressed chalk, invented by Louis Schonberg in 1841.
An organizing principle for written lists, based on initial glyphs.
Decorative plaster work of various styles used in middle eastern architecture.
acrolith
acrolith
noun
(historical) An ancient Greek wooden statue furnished with a rupestral head and limbs.
acrolithan
acrolithan
Adjective
Relating to, or like, an acrolith.
acrolithic
acrolithic
adj
Relating to, or like, an acrolith.
acroliths
acroliths
noun
plural of acrolith
acromiohumeral
acromiohumeral
adj
(anatomy) Relating to the acromion and the humerus
acromiohyoid
acromiothoracic
acromiothoracic
adj
thoracoacromial
acromphalus
acromphalus
noun
(pathology) An abnormal protrusion of the navel that sometimes leads to umbilical hernia
acronichal
acronichally
acronych
acronychal
acronychal
adj
Alternative form of acronical
acronychally
acronychous
acroparesthesia
acroparesthesia
noun
(medicine) severe pain in the extremities
acropathology
acropathology
noun
(pathology, rare) The study of diseases of the limbs or the extremities.
acropathy
acropathy
noun
Any disease specific to the extremities.
acrophobia
acrophobia
noun
phobia or strong fear of being high above ground level
acrophobias
acrophobias
noun
plural of acrophobia
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acrophonic
acrophonic
adj
Conforming to acrophony.
acrophonically
acrophonically
adv
In an acrophonic way.
acrophonies
acrophonies
noun
plural of acrophony
acrophony
acrophony
noun
The naming of letters in an alphabetic writing system using words whose initial sounds are represented by the respective letters.
acrorhagus
acrorhagus
noun
Any of a set of marginal tubercles of sea anemones containing specialized nematocysts
acrorrheuma
acrosphacelus
acrostichal
acrostichal
adj
(entomology, of bristles) Situated on the mesothorax of some dipteran flies
acrosticheae
acrostichic
acrostichic
adj
Being or relating to an acrostic.
acrostichoid
acrostichoid
adj
(botany, of a fern) Whose sori densely cover the underside of the frond like a felt, without visible gaps between them.
acrostichum
acrothoracica
acrotrophic
acrotrophic
adj
(biology, of an insect) Having nutritive cells at the top of the follicular tube
acrotrophoneurosis
acrylaldehyde
acrylaldehyde
noun
(organic chemistry) The unsaturated aldehyde acrolein
actinautographic
actinautographic
adj
(obsolete, photography) That produces a developable impression on light-sensitive material without contact
actinautography
actinautography
noun
(obsolete, photography) The production of an actinautographic image
actiniochrome
actiniochrome
noun
A red to violet pigment present in some Actinozoa
actiniomorpha
actinobranch
actinobranch
noun
(biology) An organ, in some anthozoans, that functions as a gill
actinobranchia
actinobranchia
noun
Alternative form of actinobranch
actinochemistry
actinochemistry
noun
The science of chemistry and actinism.
actinograph
actinograph
noun
A recording actinometer.
actinographic
actinography
actinography
noun
measurement with an actinograph
actinomorphic
actinomorphic
adj
(botany, of a flower) Having its petals arranged in a radially symmetric fashion.
actinomorphous
actinomorphous
adj
(botany, of a flower) Having petals arranged in a radially symmetric pattern.
actinomorphy
actinomorphy
noun
The condition of being actinomorphic.
actinophore
actinophore
noun
(biology) A cartilaginous spine that supports the fin rays of fish
actinophorous
actinophorous
adj
(biology) Having straight projecting spines
actinophryan
actinophrys
actinosphaerium
actinotherapeutic
actinotherapeutic
adj
Relating to actinotherapy.
actinotherapeutics
actinotherapeutics
noun
actinotherapy
actinotherapy
actinotherapy
noun
(medicine) The treatment of disease, especially skin disease, by exposure to ultraviolet light; radiotherapy.
actinotrichium
actinotrichium
noun
(zoology) Any of a group of hairlike fibres in the finfolds of fish larvae that develop into fin rays
actinotrocha
actinotrocha
noun
The larva of a phoronid.
actorish
actorish
adj
Of, pertaining to, or characteristic of an actor or theatrical acting; like an actor.
actorship
actorship
noun
The state or quality associated with being an actor.
actuaryship
actuaryship
noun
The role or status of actuary.
acworth
adelochorda
adelomorphic
adenemphractic
adenochondroma
adenochondroma
noun
(pathology) A hamartoma consisting of glandular and cartilaginous tissue
adenochondrosarcoma
adenochrome
adenochrome
noun
A red pigment present in the branchial heart tissue of the octopus
adenographic
adenographic
adj
Pertaining to adenography.
adenographical
adherence
adherence
noun
(Scotland, law) The fulfilment of the legal obligation of residing with wife or husband.
(medicine) An extent to which a patient continues an agreed treatment plan.
A close physical union of two objects.
Faithful support for some cause.
adherences
adherences
noun
plural of adherence
adherency
adherency
noun
(obsolete) That which adheres.
(obsolete) The state or quality of being adherent; adherence.
adherescence
adherescent
adhocracy
adhocracy
noun
(business, organizational theory) An organizational system designed to be flexible and responsive to the needs of the moment rather than excessively bureaucratic.
adiamorphic
adiaphoretic
adiaphoristic
adiaphoristic
adj
(theology) Theologically indifferent.
adiathermancy
adiathermancy
noun
(obsolete) A resistance to the flow of heat.
adiathermic
adiathermic
adj
impervious to heat
adramelech
adrammelech
adrench
adrenochrome
adrenochrome
noun
(biochemistry) An oxidation product of adrenaline or epinephrine; its semicarbazone is used as a drug to reduce bleeding.
(fiction) A fictional drug obtained from human adrenal glands.
adrenocorticotrophic
adrenocorticotrophic
adj
Alternative form of adrenocorticotropic
adrenocorticotrophin
adrenocorticotrophin
noun
(biochemistry) adrenocorticotropic hormone
aechmagoras
aechmophorus
aeolharmonica
aeolharmonica
noun
(music, obsolete) A form of harmonium.
aerenchyma
aerenchyma
noun
(botany) A spongy, airy tissue found especially in the roots of aquatic plants
aerenchymas
aerobranchia
aerobranchiate
aerocartograph
aerocartograph
noun
(historical) A kind of stereoplotter.
aerocartography
aerocartography
noun
The making of maps based on an aerial survey of the terrain.
aerocharidae
aerographic
aerographic
adj
Relating to aerography.
aerographical
aerographical
adj
Synonym of aerographic
aerographics
aerographics
noun
Synonym of aerography (“production of weather charts”)
aerohydrodynamic
aerohydrodynamic
adj
Acting by the force of air and water.
aeromaechanic
aeromechanic
aeromechanic
noun
A mechanic in the aircraft industry
aeromechanical
aeromechanical
adj
Of or pertaining to aeromechanics.
aeromechanics
aeromechanics
noun
(physics) The branch of mechanics that deals with the motion of gases; it comprises aerostatics and aerodynamics
plural of aeromechanic
aerophilatelic
aerophilatelic
adj
Of or relating to aerophilately.
aerophilic
aerophilic
adj
(biology, especially of microorganisms) That thrive in the presence of molecular oxygen
aerophobic
aerophobic
adj
Disliking or avoiding air.
Having a fear of flying in aircraft.
aerophysical
aerophysical
adj
Relating to aerophysics.
aerophysicist
aerophysics
aerophysics
noun
(physics) The physics of the design and construction of aerodynamic devices