A instrument that computes the absorption rate by measuring the pressure of the gas; a colorimeter for liquids.
An instrument used to measure the amount of radiation or light absorbed.
absorptiometric
absorptiometric
adj
Of or pertaining to the measurement of absorption.
accompaniment
accompaniment
noun
(music) A part, usually performed by instruments, that gives support or adds to the background in music, or adds for ornamentation; also, the harmony of a figured bass.
That which accompanies; something that attends as a circumstance, or which is added to give greater completeness to the principal thing, or by way of ornament, or for the sake of symmetry.
accompanimental
accompanimental
adj
Relating to or serving as an accompaniment
accompaniments
accompaniments
noun
plural of accompaniment
accomplement
accompletive
accompletive
adj
(rare) Tending to accomplish.
accomplishment
accomplishment
noun
(grammar, semantics) The lexical aspect (aktionsart) of verbs or predicates that change over time until a natural end point.
Something accomplished; an achievement.
That which completes, perfects, or equips thoroughly; acquirement; attainment; that which constitutes excellence of mind, or elegance of manners, acquired by education or training.
The act of accomplishing; completion; fulfilment.
accomplishments
accomplishments
noun
plural of accomplishment
accouplement
accouplement
noun
(rare) That which couples, as a tie or brace
(rare) The act of coupling, or the state of being coupled; union
acetaminophen
acetaminophen
noun
(Canada, US) A white crystalline compound used in medicine as an anodyne to relieve pain and reduce fever.
acetoamidophenol
acetomorphin
acetomorphine
acetomorphine
noun
heroin
achromatope
achromatope
noun
A person who has achromatopia.
achromatophile
achromatophile
adj
Being or relating to an achromatophil.
actinosphaerium
adaptometer
adaptometer
noun
An optometric instrument that measures the minimum threshold of brightness that can be detected or how well the human eye can adapt to a recently darkened environment.
adempt
adempt
verb
(transitive, obsolete) To take away.
adempted
adempted
verb
simple past tense and past participle of adempt
ademption
ademption
noun
(law) In the law of wills, the determination of what happens when property left under a will is no longer in the testator's estate when the testator dies.
adenemphractic
adenolipomatosis
adenolipomatosis
noun
(pathology) The formation of numerous adenolipomas in the neck, axilla and groin
adenophthalmia
adipometer
adipometer
noun
A calliper used to estimate the amount of internal fat by measuring the thickness of a fold of skin
aegospotami
aeolotropism
aeolotropism
noun
aeolotropy
aepyornithiformes
aerometeorograph
aerometeorograph
noun
A meteorograph designed for use in an aircraft or other flying vehicle.
aeroperitoneum
aeroporotomy
aerotropism
aerotropism
noun
(biology) The growth of an organism either towards, or away from a region of higher oxygen content.
aetomorphae
afterdamp
afterdamp
noun
(mining) Suffocating gases present in a coal mine after an explosion caused by firedamp, consisting of carbon dioxide, carbon monoxide, nitrogen, and sometimes hydrogen sulfide.
afterimpression
afterimpression
noun
Alternative spelling of after-impression
agapemonist
agapemonite
aggroupment
aggroupment
noun
Arrangement in a group or in groups; grouping.
alectoromorphae
alectoromorphous
alimentotherapy
allelotropism
allomorphite
alphabetiform
alphabetiform
adj
Having the form of a developed alphabet or its letters, as opposed to crude pictographic symbols.
alphabetism
alphabetism
noun
An initialism: an abbreviation which is read letter by letter, such as UN.
Discrimination on the basis of the first letter of a name.
Excessive reliance upon the alphabet or alphabetic structures.
The ability to read an alphabet, a rudimentary form of literacy.
aluminotype
aluminotype
noun
A form of printing plate made of a sheet of aluminium.
alymphopotent
amateurship
amateurship
noun
The quality or character of an amateur.
ambisporangiate
amboceptoid
amboceptoid
noun
(obsolete) A hypothetical form of amboceptor that has undergone a degenerative change and lost its cytophil or complementophile groups.
amboceptor
amboceptor
noun
(obsolete) Synonym of hemolysin
ambrotype
ambrotype
noun
(photography, historical) An early type of photograph in which a glass negative appears positive when displayed on a black background.
ametrope
ametropia
ametropia
noun
(medicine) Any of several disorders of the eye (spherical or cylindrical) resulting from faulty refractive ability.
ametropic
ametropic
adj
(ophthalmology) Relating to or suffering from ametropia
amidoacetophenone
aminoacetophenetidine
aminoacetophenone
aminoacetophenone
noun
(organic chemistry) The compound formed by the substitution of an amine group for one of the hydrogens of acetophenone, having the molecular formula C₈H₉NO; or any specific isomer of this compound.
aminopeptidase
aminopeptidase
noun
(biochemistry) Any of several enzymes that catalyze the hydrolysis of the peptide bond of the terminal amino acid at the amino end of a polypeptide or protein
aminopolypeptidase
aminopolypeptidase
noun
(biochemistry) The enzyme cytosol alanyl aminopeptidase.
aminopterin
aminopterin
noun
(pharmacology) A 4-amino analog of folic acid used as a chemotherapy drug.
aminopterins
aminopterins
noun
plural of aminopterin
aminothiophen
amitriptyline
amitriptyline
noun
(pharmacology) An antidepressant drug; a tablet containing this drug.
ammotherapy
amorphophyte
amorphophyte
noun
Any plant with flowers of an irregular or anomalous shape
amorphotae
ampangabeite
ampangabeite
noun
(mineralogy) Synonym of samarskite
ampasimenite
ampelite
ampelite
noun
(mineralogy) A carbonaceous alum schist.
(mineralogy) An earth abounding in pyrites, used by the ancients to kill insects, etc., on vines.
ampelitic
ampelitic
adj
Relating to the mineral ampelite.
ampelographist
ampelographist
noun
One who studies ampelography.
ampelotherapy
ampelotherapy
noun
(medicine) The therapeutic use of grapes.
amperemeter
amperemeter
noun
Synonym of ammeter.
amperometer
amperometer
noun
(rare) Synonym of ammeter.
amperometric
amperometric
adj
(chemistry, physics) That involves measurement of an electric current during a process such as titration
ampherotokous
ampherotoky
amphetamine
amphetamine
noun
(informal) Any mixture of the two amphetamine enantiomers, dextroamphetamine and levoamphetamine.
(informal, nonstandard) Referring to a substituted amphetamine; a member of the amphetamine class of chemicals.
(medicine, pharmacology) A potent central nervous system stimulant of the phenethylamine chemical class that is used to treat ADHD, narcolepsy, and obesity.
(organic chemistry, proper) The racemic freebase of 1-phenylpropan-2-amine; an equal parts mixture of levoamphetamine and dextroamphetamine in their pure amine forms.
amphetamines
amphetamines
noun
plural of amphetamine
amphiarthroses
amphiarthroses
noun
plural of amphiarthrosis
amphiaster
amphiaster
noun
(biology) The achromatic figure, formed in mitotic cell division, consisting of two asters connected by a spindle-shaped bundle of rod-like fibres diverging from each aster.
amphibichnite
amphibiety
amphiblestritis
amphibolite
amphibolite
noun
Any of a class of metamorphic rock composed mainly of amphibole with some quartz etc.
amphibolites
amphibolites
noun
plural of amphibolite
amphicentric
amphicreatinine
amphictyonies
amphictyonies
noun
plural of amphictyony
amphidetic
amphidetic
adj
(biology, of the ligament of some bivalves) That extends in front of, and behind, the beak
amphierotic
amphierotism
amphigenetic
amphigenetic
adj
Relating to amphigenesis.
amphipeptone
amphipneust
amphipneusta
amphipneustic
amphiprostyle
amphiprostyle
adj
(architecture, chiefly historical, of a temple or edifice) Having columns at either end but not along the sides.
noun
(architecture, historical) An amphiprostyle temple or edifice.
amphisporangiate
amphistome
amphistome
noun
Any trematode of the genus Paramphistomum (previously Amphistoma)
amphitene
amphitheater
amphitheater
noun
American spelling form of amphitheatre
amphitheatered
amphitheatered
adj
Alternative form of amphitheatred
amphitheaters
amphitheaters
noun
plural of amphitheater
amphitheatral
amphitheatral
adj
Alternative form of amphitheatrical
amphitheatre
amphitheatre
noun
(geology) A natural formation of a similar shape, where a steep mountain or slope a particular rock formation forms a partial or compete bowl, especially one used as a performance space (and possibly modified by carving out seats, etc) because the slopes naturally amplify or echo sound.
An open, outdoor theatre (which may be a theatre in the round, or have a stage with seating on only one side), especially one from the classical period of ancient Greece or Rome, or a modern venue of similar design.
amphitheatric
amphitheatric
adj
Of, pertaining to, exhibited in, or resembling an amphitheatre.
amphitheatrical
amphitheatrical
adj
Having some of the characteristics of an amphitheatre.
amphitheatrically
amphitheatrically
adv
With some apparent characteristics of an amphitheatre.
amphitheccia
amphithecia
amphithecial
amphithecium
amphithect
amphithemis
amphithere
amphithere
noun
(heraldry) A type of winged serpent
amphitriaene
amphitrichate
amphitrichate
adj
Synonym of amphitrichous
amphitrite
amphitrite
noun
Any polychaete worm of the genus Amphitrite.
amphodelite
ampholyte
ampholyte
noun
(chemistry) An amphoteric electrolyte
amphopeptone
amphopeptone
noun
(biochemistry) A product of gastric digestion, a mixture of hemipeptone and antipeptone.
amphorette
amphoteric
amphoteric
adj
(chemistry) Having the characteristics of both an acid and a base, and capable of reacting as either; amphiprotic.
amphotericin
amphotericin
noun
(biochemistry) Any of a group of amphoteric antibiotic and antifungal agents derived from Streptomyces bacteria.
amphoterus
ampitheater
ampitheater
noun
Misspelling of amphitheater.
amplect
amplect
verb
(formal) To embrace
amplectant
amplectant
adj
(botany) That clasps a support, especially by twining around it
clasping or embracing
amplest
amplest
adj
superlative form of ample: most ample
amplexation
amplexation
Noun
An embrace.
amplexicaudate
amplexifoliate
ampliate
ampliate
adj
(zoology) Having the outer edge prominent; said of the wings of insects.
verb
(transitive, obsolete) To enlarge.
ampliative
ampliative
adj
That broadens conceptual knowledge by adding new information.
amplicative
amplificate
amplificate
verb
(obsolete or nonstandard) To amplify.
amplificative
amplificative
adj
amplificatory
amplitude
amplitude
noun
(astronomy) The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.
(astronomy) The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.
(firearms) The horizontal line which measures the distance to which a projectile is thrown; the range.
(mathematics) The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.
(physics) The maximum absolute value of some quantity that varies.
The measure of something's size, especially in terms of width or breadth; largeness, magnitude.
amplitudes
amplitudes
noun
plural of amplitude
ampulate
ampulated
ampullate
ampullate
adj
Having an ampulla; flask-shaped; bellied.
noun
The spigot of a spinneret in some spiders
ampullated
ampullated
adj
ampullate
amputate
amputate
verb
(obsolete) To cut off, to prune. [17th–18th c.]
To surgically remove a part of the body, especially a limb. [from 17th c.]
amputated
amputated
adj
Having been removed or cut off.
verb
simple past tense and past participle of amputate
amputates
amputates
verb
Third-person singular simple present indicative form of amputate
amputative
amputative
adj
(surgery) That involves amputation
amputee
amputee
noun
A person who has had one or more limbs removed.
amputees
amputees
noun
plural of amputee
amyelotrophy
amyelotrophy
noun
(medicine) Atrophy of the spinal cord.
amylopectin
amylopectin
noun
(biochemistry) A highly branched, insoluble form of starch (the soluble form being amylose)