(geology, volcanology) A mass of angular volcanic fragments united by heat; distinguished from conglomerate.
(meteorology) An ice cover of floe formed by the freezing together of various forms of ice.
A collection or mass.
verb
(transitive, intransitive) To wind or collect into a ball; hence, to gather into a mass or anything like a mass.
aggregation
aggregation
noun
(epidemiology) The majority of the parasite population concentrated into a minority of the host population.
(networking) Summarizing multiple routes into one route.
(object-oriented programming) Kind of object composition which does not imply ownership.
A collection of particulars; an aggregate.
The act of collecting together (aggregating).
The state of being collected into a mass, assemblage, or sum (aggregated).
aggregatory
aggregatory
adj
Causing aggregation.
aggroupment
aggroupment
noun
Arrangement in a group or in groups; grouping.
agoniatites
agonothetic
agonothetic
adj
Of or pertaining to an agonothete.
airworthier
airworthier
adj
comparative form of airworthy: more airworthy
albatrosses
albatrosses
noun
plural of albatross
albedometer
albedometer
noun
An instrument used to measure the albedo of a surface
albitophyre
aldermaston
aldoheptose
aldoheptose
noun
(organic chemistry) Any aldose form of a heptose
aldopentose
aldopentose
noun
(biochemistry) A pentose that is also an aldose.
aldosterone
aldosterone
noun
(biochemistry, steroids) A mineralocorticoid hormone, secreted by the adrenal cortex, that regulates the balance of sodium and potassium in the body.
alectorides
alectorioid
alectorioid
adj
Relating to lichen of the genus Alectoria
alethiology
alethiology
noun
(logic) The branch of logic dealing with truth and error.
alethopteis
alethoscope
alethoscope
noun
An instrument for viewing pictures by means of a lens, so as to present them in their natural proportions and relations.
aleurometer
aleurometer
noun
An instrument used for the examination of crude gluten as to its power of distending under the influence of heat, as a means of judging of the value of a flour for breadmaking.
algometries
alienations
alienations
noun
plural of alienation
alimenation
alkalometry
alkanethiol
alkanethiol
noun
(organic chemistry) Any simple aliphatic thiol.
allantoidea
allantoides
allantoides
noun
plural of allantois
allegations
allegations
noun
plural of allegation
allegorists
allegorists
noun
plural of allegorist
allegrettos
allegrettos
noun
plural of allegretto
allelopathy
allelopathy
noun
The release by a plant of a toxin to suppress growth of nearby competing plants.
allelotropy
allemontite
allemontite
noun
(mineralogy) The mineral form of antimony arsenide (SbAs).
alleviation
alleviation
noun
the act of alleviating; relief or mitigation.
the act of reducing pain or anything else unpleasant; easement
alleviators
alleviators
noun
plural of alleviator
alleviatory
alleviatory
adj
alleviative
alligatored
alligatored
adj
Damaged by alligatoring.
verb
simple past tense and past participle of alligator
allineation
allineation
noun
alignment; position in a straight line, as of two planets with the sun
alliterator
alliterator
noun
One who alliterates.
alloantigen
alloantigen
noun
(genetics) Any antigen, present in only some individuals of a species, that stimulates the production of antibodies in those that lack it; an isoantigen
allocatable
allocatable
adj
(computing) Able to be allocated.
allochetite
allochroite
allochroite
noun
(mineralogy) Garnet.
alloclasite
alloclasite
noun
(mineralogy) A brittle monoclinic sulfosalt mineral of the arsenopyrite group.
alloerotism
alloerotism
noun
Synonym of alloeroticism
allogeneity
allogeneity
noun
(genetics) The condition of being allogeneic
allografted
allografted
adj
grafted as an allograft
alloiometry
allokinetic
allometries
allometries
noun
plural of allometry
allopathies
allopathies
noun
plural of allopathy
allopatries
allophanate
allophanate
noun
(organic chemistry) Any salt or ester of allophanic acid
allosematic
allosteries
allothigene
allotropies
allotropies
noun
plural of allotropy
allotropize
allotropize
verb
To change in physical properties but not in substance.
alpenstocks
alpenstocks
noun
plural of alpenstock
alstonidine
alstonidine
noun
(organic chemistry) An alkaloid found in dita bark.
alterations
alterations
noun
plural of alteration
altercation
altercation
noun
Heated or angry dispute
alteregoism
alteregoism
noun
altruism as a result of the identification of others with oneself
alternation
alternation
noun
(computing) A construct in a regular expression that can match any of several specified subexpressions.
(geometry) A type of partial truncation of a polygon, polyhedron or tiling in which alternate vertices are removed.
(linguistics) A pattern by which more than one construct is possible, as with "Alice cooked Bob dinner" and "Alice cooked dinner for Bob".
(logic) The "inclusive or" truth function.
(mathematics) A sequence that alternates between positive and negative values; sometimes incorrectly used to mean permutation.
(phonology) Ablaut.
(religion) The response of the congregation speaking alternately with the minister.
The reciprocal succession of (normally two) things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence
alternativo
alternators
alternators
noun
plural of alternator
altiloquent
altiloquent
adj
Pompous, or pretentious in speech
altogethers
altogethers
adv
(obsolete) Alternative form of all together
(obsolete) Alternative form of altogether
noun
(obsolete) The way things are; circumstances.
plural of altogether (“nakedness”)
aluminotype
aluminotype
noun
A form of printing plate made of a sheet of aluminium.
alveolation
alveolation
noun
(geology) An eroded structure of honeycomb-like cavities
alveolotomy
alveolotomy
noun
(surgery, dentistry) incision into the alveolus, especially in order to drain pus from an abscess
amazonstone
amazonstone
noun
A bluish-green variety of microcline feldspar used as a gemstone. The best known occurrences are at Crystal Peak and Pike's Peak in Colorado.
amblygonite
amblygonite
noun
(mineralogy) A mineral, a mixed fluoride and aluminophosphate of sodium and lithium that is an important ore of lithium.
amboceptoid
amboceptoid
noun
(obsolete) A hypothetical form of amboceptor that has undergone a degenerative change and lost its cytophil or complementophile groups.
ambrosterol
amebobacter
ameliorated
ameliorated
adj
Having had problem(s) improved upon; having been the subject of amelioration.
verb
simple past tense and past participle of ameliorate
ameliorates
ameliorates
verb
Third-person singular simple present indicative form of ameliorate
ameliorativ
ameliorator
ameliorator
noun
A person who, or thing which, ameliorates.
ameloblasts
ameloblasts
noun
plural of ameloblast
amentaceous
amentaceous
adj
(botany) Bearing, resembling, or consisting of an ament or aments.
ametabolian
ametabolian
adj
(zoology) Of or pertaining to insects that undergo metamorphosis
(zoology) Of or pertaining to the Ametabola (Apterygota)
ametabolism
ametabolism
noun
The condition of being ametabolic
ametabolous
ametabolous
adj
Alternative form of ametabolic
amethodical
amethodical
adj
Not methodical; unsystematic.
ametoecious
ametrometer
amidoacetal
amidoacetic
amidoketone
aminoacetal
aminoacetic
aminoketone
aminoketone
noun
Any chemical compound containing both a ketone group and an amine.
aminopterin
aminopterin
noun
(pharmacology) A 4-amino analog of folic acid used as a chemotherapy drug.
ammochaetae
ammocoetoid
ammodytidae
ammotherapy
amoebocytes
amoebocytes
noun
plural of amoebocyte
amoralities
amoralities
noun
plural of amorality
amortisable
amortisable
adj
Alternative form of amortizable
amortisseur
amortisseur
noun
Short for amortisseur winding.
amortizable
amortizable
adj
Capable of being amortized.
amperometer
amperometer
noun
(rare) Synonym of ammeter.
ampherotoky
amphibolite
amphibolite
noun
Any of a class of metamorphic rock composed mainly of amphibole with some quartz etc.
amphierotic
amphodelite
amplexation
amplexation
Noun
An embrace.
amylopectin
amylopectin
noun
(biochemistry) A highly branched, insoluble form of starch (the soluble form being amylose)
amyosthenia
amyosthenia
noun
(medicine) Myasthenia.
amyosthenic
amyosthenic
adj
Of or relating to amyosthenia.
noun
(medicine) A drug or agent that depresses muscular action.
anacreontic
anacreontic
adj
(prosody) Pertaining to the style of the Greek poet Anacreon, who wrote of wine and love; (specifically) designating a metre based on an anaclastic ionic dimeter.
Characterised by festivity and the celebration of love and/or drinking; bacchanalian, amorous.
noun
(poetry) A short lyrical piece about love and wine.
anaematosis
anaemotropy
anaerobiont
anaerophyte
anaerophyte
noun
Any plant that does not require a direct supply of air
anamorphote
anantherous
anantherous
adj
(botany) Without anthers
anaplerotic
anaplerotic
adj
(biochemistry, of a reaction) Forming intermediates of a metabolic pathway (eg. the tricarboxylic acid cycle).
(medicine, dated) Filling up; promoting granulation of wounds or ulcers.
noun
A remedy which promotes such granulation.
anapnometer
anastomosed
anastomosed
adj
Joined by anastomosis
verb
simple past tense and past participle of anastomose
anastomoses
anastomoses
noun
plural of anastomosis
verb
Third-person singular simple present indicative form of anastomose
anastrophes
anastrophes
noun
plural of anastrophe
anatiferous
anatiferous
adj
Producing ducks. Formerly used of barnacles, since it was believed that they produced ducks and geese.
anatomiless
anatomiless
adj
Having no clear anatomy.
ancestorial
ancestorial
adj
Ancestral.
ancestoring
ancestoring
verb
present participle of ancestor
anchoretish
anchoretism
anchoretism
noun
The practice or mode of life of an anchorite.
anchoritess
anchoritess
noun
A female anchorite; an anchoress.
anchovettas
anchovettas
noun
plural of anchovetta
ancylostome
ancylostome
noun
Alternative form of ancylostoma (“type of hookworm”)
androcrates
anecdotages
anecdotages
noun
plural of anecdotage
anecdotally
anecdotally
adv
In an anecdotal manner; by means of a recounted incident.
anecdotical
anecdotical
adj
Dated form of anecdotal.
anecdotists
anecdotists
noun
plural of anecdotist
anelectrode
anelectrode
noun
(obsolete) Anode; the positive pole of a galvanic battery.
anemometers
anemometers
noun
plural of anemometer
anemometric
anemometric
adj
Of or relating to anemometry.
anemotactic
anemotactic
adj
Of or pertaining to anemotaxis.
anemotropic
anemotropic
adj
Exhibiting or relating to anemotropism.
anfractuose
anfractuose
adj
Alternative form of anfractuous
angelolater
angelolatry
angelolatry
noun
The worshipping of angels.
angiectopia
angiotensin
angiotensin
noun
(biochemistry) Any of several polypeptides that narrow blood vessels and thus regulate arterial pressure.