A form of articulation that allows considerable change in position and spatial relationship between the articulated parts, and which bones move freely upon one another; diarthrosis.
abbroachment
abdominohysterectomy
abdominohysterectomy
noun
(surgery) Removal of the uterus via an incision made in the abdominal wall rather than via the vagina.
abdominohysterotomy
abdominohysterotomy
noun
(surgery) An incision of the uterus, done through a surgical hole in the abdomen.
abdominothoracic
abdominothoracic
adj
Relating to the abdomen and the thorax, or chest.
abernathy
abernethy
abernethy
Proper noun
A village in Perth and Kinross, Scotland
aberystwyth
aberystwyth
Proper noun
A town in Ceredigion, Wales.
abhorrent
abhorrent
adj
(archaic) Inconsistent with, or far removed from, something; strongly opposed.
Abhorring; detesting; having or showing abhorrence; loathing.
Contrary to something; discordant.
Detestable or repugnant.
abhorrently
abhorrently
adv
In a manner, or to a degree, that is abhorrent; with abhorrence.
abiathar
abiathar
Proper noun
In the Old Testament, a Hebrew high priest during the reign of King David.
abiotrophic
abiotrophic
adj
(medicine) Relating to or involving abiotrophy; relating to or involving the functional loss of an organ or cells not due to an injury.
abiotrophy
abiotrophy
noun
(medicine) Premature degeneration of cells or tissues, especially with genetic causes; loss of function of organ or cell, not due to injury.
abrahamite
abrahamitic
abrahamitic
Adjective
Relating to the patriarch Abraham.
abranchiata
abranchiata
noun
(obsolete, zoology) An order of annelids, so called because the species composing it have no special organs of respiration, usually including Oligochaeta.
(obsolete, zoology)Any of a number of other groupings of gill-less animals.
abranchiate
abranchiate
adj
(zoology) Without gills.
noun
(zoology) An organism that does not have gills.
abstrahent
abthainrie
abthainry
acantharia
acanthocarpous
acanthocarpous
adj
(botany) Having the fruit covered with spines.
acanthocereus
acanthomeridae
acanthophorous
acanthophorous
adj
Spine-bearing.
acanthopore
acanthopore
noun
(paleontology) A tubular spine in some bryozoans.
acanthopteran
acanthopteran
noun
Alternative form of acanthopterygian
acanthopteri
acanthopteri
noun
(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acanthopterous
acanthopterous
adj
(zoology) Acanthopterygious
(zoology) Spiny-winged.
acanthopterygian
acanthopterygian
adj
(zoology) Similar to an acanthopterygian.
noun
(zoology) Any fish of the superorder Acanthopterygii.
acanthopterygii
acanthuridae
acanthurus
acatharsia
acatharsy
acceleratorh
accroachment
accroachment
noun
(obsolete) An encroachment; usurpation.
aceanthrene
aceanthrenequinone
acerathere
acerathere
noun
A fossil of such an animal
An extinct rhinoceros of the genus †Aceratherium.
aceratherium
acetaldehydrase
acethydrazide
acethydrazide
noun
(organic chemistry) The hydrazide of acetic acid CH₃-CO-NH-NH₂
acetochloral
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetylcholinesterase
acetylcholinesterase
noun
(biochemistry) An enzyme that catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid.
acetylhydrazine
acetylhydrazine
noun
(organic chemistry) The acylhydrazine of acetic acid CH₃CO-NH-NH₂
acetylmethylcarbinol
acetylmethylcarbinol
noun
(organic chemistry) acetoin
acetylphenylhydrazine
acharnement
acharnement
noun
(obsolete) Savage fierceness; ferocity.
achatour
achatour
noun
(historical) A purveyor of provisions; a provedore. [14th–18th c.]
acherontic
acherontic
adj
Alternative form of Acherontic
acherontical
achillobursitis
achillobursitis
noun
(pathology) inflammation of a bursa near the Achilles tendon
achirite
achirite
noun
dioptase
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
achondrites
achondrites
noun
plural of achondrite
achondritic
achondritic
adj
(geology) Of or pertaining to achondrites, a type of stony meteorite.
achondroplastic
achondroplastic
adj
(teratology) Of, related to, or suffering from achondroplasia.
achordata
achordate
achordate
adj
(biology) Not having a proto-spinal chord at any stage of development.
achroacyte
achroacyte
noun
(cytology) Any colourless cell (especially a lymphocyte)
achroanthes
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achrodextrinase
achroiocythaemia
achroiocythemia
achroite
achroite
noun
(mineralogy) A colourless form of tourmaline
achromacyte
achromacyte
noun
(cytology) Any cell that lacks its normal pigmentation (especially an erythrocyte that has ruptured and lost its haemoglobin)
achromat
achromat
noun
(optics) A lens that imparts little color; a lens that is achromatic.
achromate
achromatiaceae
achromatic
achromatic
adj
(biology) Uncolored; not absorbing color from a fluid; -- said of tissue
(music) Having only the diatonic notes of the scale; not modified by accidentals.
(optics) Free from color; transmitting light without color-related distortion.
Being achromatic in subject
Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
achromatically
achromatically
adv
In an achromatic manner.
achromaticity
achromaticity
noun
(optics) The state or quality of being achromatic.
achromatin
achromatin
noun
(biology) Tissue that is not stained by fluid dyes.
achromatinic
achromatinic
adj
(cytology, of a cell nucleus) Lacking the ability to be coloured by a stain.
achromatisation
achromatise
achromatise
verb
Non-Oxford British English standard spelling of achromatize.
achromatised
achromatised
verb
simple past tense and past participle of achromatise
achromatising
achromatising
verb
present participle of achromatise
achromatism
achromatism
noun
(optics) The state or quality of being achromatic; achromaticity.
Achromatopia.
The state of being free of colors, not emitting or separating into colors.
achromatisms
achromatisms
noun
plural of achromatism
achromatium
achromatizable
achromatization
achromatization
noun
The act or process of achromatizing.
achromatize
achromatize
verb
(transitive) To deprive of colour; to make achromatic.
(transitive) To remove chromatic aberration from an optical system
achromatized
achromatized
verb
simple past tense and past participle of achromatize
achromatizes
achromatizes
verb
Third-person singular simple present indicative form of achromatize
achromatizing
achromatizing
verb
present participle of achromatize
achromatocyte
achromatocyte
noun
achromacyte
achromatolysis
achromatolysis
noun
(cytology) dissolution of achromatin
achromatope
achromatope
noun
A person who has achromatopia.
achromatophil
achromatophil
noun
(cytology) A cell (or tissue) that is not readily coloured by stains
achromatophile
achromatophile
adj
Being or relating to an achromatophil.
achromatophilia
achromatophilia
noun
(cytology) The condition of being an achromatophil
achromatophilic
achromatopia
achromatopia
noun
defective ability to see colours
achromatopsia
achromatopsia
noun
achromatopia
achromatopsy
achromatopsy
noun
color blindness; inability to distinguish colors; daltonism, achromatopia
achromatosis
achromatosis
noun
(pathology) achromia, albinism
achromatous
achromatous
adj
Lacking normal colour; colourless
achromats
achromats
noun
plural of achromat
achromaturia
achromaturia
noun
(pathology) The lack of pigments (especially bile pigments) in the urine
achromobacter
achromobacterieae
achromotrichia
achromotrichia
noun
The absence (or loss) of pigmentation in the hair.
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
achroodextrinase
achtehalber
achtelthaler
achter
achterveld
achyranthes
achyranthes
noun
plural of achyranthe
acidanthera
acidanthera
noun
Any of the gladioli previously placed in the genus Acidanthera.
ackworth
acocanthera
acocantherin
acocantherin
noun
Alternative form of acokantherin
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
acrobatholithic
acrobatholithic
adj
Relating to the upward-projecting dome of a batholith
acrocorinth
acroesthesia
acroesthesia
noun
Alternative spelling of acroaesthesia
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
acromiothoracic
acromiothoracic
adj
thoracoacromial
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.
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
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
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.