(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
acicularity
acicularity
noun
Quality or degree of being acicular.
acidanthera
acidanthera
noun
Any of the gladioli previously placed in the genus Acidanthera.
acidimeter
acidimeter
noun
(chemistry) An instrument for ascertaining the strength of acids.
acidimeters
acidimeters
noun
plural of acidimeter
acidimetric
acidimetric
adj
(chemistry) Describing a titration in which the titrant is an acid.
acidimetrical
acidimetrical
adj
Alternative form of acidimetric
acidimetrically
acidimetrically
adv
(chemistry) By means of, or in terms of, acidimetry.
acidimetries
acidimetries
noun
plural of acidimetry
acidimetry
acidimetry
noun
(chemistry) The measurement of the strength of acids, especially by a chemical process based on the law of chemical combinations, or the fact that, to produce a complete reaction, a certain definite weight of reagent is required.
acidometer
acidometer
noun
A hydrometer, especially one that is used to measure the strength of an acid.
Any of various other devices used to measure acidity, either chemical or electronic.
acidometry
acidometry
noun
Alternative form of acidimetry
acidoproteolytic
acidoproteolytic
adj
Relating to acidoproteolytes
acierate
acierate
verb
(rare, transitive) To convert (iron) into steel, or to coat with a layer of steel by converting only the surface of the iron.
acierated
acierated
verb
simple past tense and past participle of acierate
acierates
acierates
verb
Third-person singular simple present indicative form of acierate
acierating
acierating
verb
present participle of acierate
acieration
acieration
noun
(rare) The conversion of iron into steel.
acinetaria
acinetarian
acinetiform
acinetiform
adj
(zoology) Resembling the Acinetae.
acinotubular
acinotubular
adj
(anatomy) Having both acini and tubules
ackworth
acleistocardia
acleistocardia
noun
(pathology) The inability of the foramen ovale of the heart to close properly
acocanthera
acocantherin
acocantherin
noun
Alternative form of acokantherin
acoumeter
acoumeter
noun
(physics) An instrument for measuring the acuteness of the sense of hearing.
acoumetry
acoumetry
noun
The measuring of the power or extent of hearing.
acounter
acouometer
acousticolateral
acousticolateral
adj
Relating to, or connecting the inner ear and the lateral line of fish
acoustoelectric
acoustoelectric
adj
Of or pertaining to electroacoustics
acquirability
acquirability
noun
(rare) The quality of being acquirable; attainableness.
acquirement
acquirement
noun
(now rare, chiefly in the plural) Something that has been acquired; an attainment or accomplishment.
The act or fact of acquiring something; acquisition.
acquirements
acquirements
noun
plural of acquirement
acquisitor
acquisitor
noun
one who acquires
acquisitors
acquisitors
noun
plural of acquisitor
acquitter
acquitter
noun
One who acquits or releases.
acraniate
acraniate
adj
That lacks a cranium
noun
Any animal of the class Acrania
acraspedote
acraspedote
adj
Relating to jellyfish of the class Acraspeda
acratia
acratia
noun
(medicine) Feebleness; impotence or lack of strength due to lack of tone.
acraturesis
acrestaff
acridest
acridest
adj
superlative form of acrid: most acrid
acridities
acridities
noun
plural of acridity
acridity
acridity
noun
(figurative) Bitterness in speech or behaviour; causticness.
An acrid taste or smell.
Bitterness or acerbity.
acrita
acrita
Noun
The lowest groups of animals, in which no nervous system has been observed.
acritan
acritan
noun
(obsolete) Any animal that is a member of the Acrita
acrite
acrite
adj
(obsolete) Relating to, or characteristic of the Acrita
acritical
acritical
adj
Not critical
Not involving a crisis
acritochromacy
acritochromacy
noun
(archaic, medicine) Color blindness, achromatopsia.
acritol
acritude
acritude
noun
acridity; pungency combined with heat.
acrity
acrity
noun
(obsolete) sharpness; keenness
acroaesthesia
acroaesthesia
noun
(pathology) hyperaesthesia, especially that affects the hands or feet
acroamata
acroamata
noun
plural of acroama
acroamatic
acroamatic
adj
(rare) Of or related to esoteric knowledge transmitted orally, particularly (historical) the teachings of Aristotle intended only for his disciples as opposed to the exoteric doctrines declaimed in public.
Of or related to lectures.
acroamatical
acroamatical
adj
Synonym of acroamatic
acroamatics
acroamatics
noun
esoteric lectures.
acroanesthesia
acroanesthesia
noun
Alternative form of acroanaesthesia
acroarthritis
acroarthritis
noun
(pathology) arthritis in the joints of the hands or feet
acroataxia
acroataxia
noun
(pathology) ataxia that affects the hands and fingers, feet and toes
acroatic
acroatic
adj
acroamatic
acrobat
acrobat
noun
An athlete who performs acts requiring skill, agility and coordination, often as part of a circus performance.
verb
(figurative) To move like an acrobat (with agility, balance, long leaps, etc.).
To practise acrobatics.
acrobates
acrobatholithic
acrobatholithic
adj
Relating to the upward-projecting dome of a batholith
acrobatic
acrobatic
adj
Of or pertaining to an acrobat.
vigorously active
acrobatical
acrobatical
adj
Alternative form of acrobatic
acrobatically
acrobatically
adv
In an acrobatic manner.
acrobatics
acrobatics
noun
A spectacular display of agility.
The art of performing acrobatic gymnastic feats.
acrobatism
acrobatism
noun
(dated) The feats of an acrobat; daring gymnastic feats.
acrobats
acrobats
noun
plural of acrobat
verb
Third-person singular simple present indicative form of acrobat
acroblast
acroblast
noun
(medicine) Material derived from the Golgi apparatus from which the acrosome develops during spermatogenesis.
(medicine, archaic) A type of embryonic cell forming a layer external to the mesoblast.
acrobystitis
acrocentric
acrocentric
adj
(genetics) (of a chromosome) Having the centromere very near to one end, and thus having a long arm, and a very short arm.
noun
A chromosome that has the centromere very near to one end, and thus has a long arm, and a very short arm.
acrocentrics
acrocentrics
noun
plural of acrocentric
acroceratidae
acrocontracture
acrocontracture
noun
(pathology) contracture of the joints of the hands or feet
acrocorinth
acrocyst
acrocyst
noun
A chitinous cyst of the gonophore at the top of the gonotheca in some hydroids
acrodactyla
acrodactylum
acrodactylum
noun
The upper surface of a toe
acrodermatitis
acrodermatitis
noun
(pathology) dermatitis that affects the hands and feet
acrodont
acrodont
adj
Having teeth immovably united to the top of the alveolar ridge.
noun
One of a group of lizards having the teeth immovably united to the top of the alveolar ridge
acrodontism
acrodonts
acrodonts
noun
plural of acrodont
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
acromastitis
acrometer
acromiodeltoid
acromiosternal
acromiothoracic
acromiothoracic
adj
thoracoacromial
acromonogrammatic
acromonogrammatic
adj
(poetry) Having each verse begin with the same letter as that with which the preceding verse ends.
acromyotonia
acromyotonia
noun
(pathology) myotonia of the limbs
acromyotonus
acromyotonus
noun
Synonym of acromyotonia
acronarcotic
acronarcotic
adj
(medicine) Of a substance, both acrid and narcotic; irritant in local effect and narcotic in action upon the nerve centers.
acronycta
acronyctous
acronyctous
adj
(astronomy) acronycal
acroparesthesia
acroparesthesia
noun
(medicine) severe pain in the extremities
acropathology
acropathology
noun
(pathology, rare) The study of diseases of the limbs or the extremities.