(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.
absorptances
absorptances
noun
plural of absorptance
absorptiveness
absorptiveness
noun
The quality of being absorptive; absorptive power.
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
accipenser
accipenser
noun
Any sturgeon of the genus Acipenser.
accipitrine
accipitrine
adj
(ornithology) Like or belonging to the Accipitres; raptorial; hawklike.
noun
A hawk or a hawk-like bird.
accipitrines
accipitrines
noun
plural of accipitrine
accompanier
accompanier
noun
Someone or something that accompanies.
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetylphenylhydrazine
acetyltropeine
achaenocarp
achaenocarp
noun
Any dry indehiscent fruit.
achenocarp
acipenser
acipenseres
acipenserid
acipenserid
noun
(ichthyology) Any member of the Acipenseridae (the true sturgeons)
acipenseridae
acipenserine
acipenserine
adj
Pertaining to sturgeons
acipenseroid
acipenseroid
noun
Synonym of chondrostean
acipenseroidei
acopyrine
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acrophonies
acrophonies
noun
plural of acrophony
acrotrophoneurosis
actinophore
actinophore
noun
(biology) A cartilaginous spine that supports the fin rays of fish
actinopteran
actinopteri
actinopterous
actinopterygian
actinopterygian
adj
Of the nature of fish of the class Actinopterygii.
noun
(zoology) Any of the ray-finned fish of the taxonomic class Actinopterygii.
actinopterygii
actinopterygious
actinosphaerium
actinostereoscopy
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.
acupuncture
acupuncture
noun
The insertion of needles into the (living) tissue of the body, especially for purposes of pain relief.
verb
(transitive) To treat with acupuncture.
acupunctured
acupunctured
verb
simple past tense and past participle of acupuncture
acupunctures
acupunctures
noun
plural of acupuncture
verb
Third-person singular simple present indicative form of acupuncture
adenemphractic
adenemphraxis
adenographer
adenographic
adenographic
adj
Pertaining to adenography.
adenographical
adenography
adenography
noun
(anatomy) The division of anatomy describing the glands
adenohypersthenia
adenopharyngeal
adenopharyngitis
adenophora
adenophore
adenophoreus
adenophorous
adenophorous
adj
(botany) Producing glands.
adenylpyrophosphate
adenylpyrophosphate
noun
Synonym of adenosine triphosphate
adiponitrile
adiponitrile
noun
(organic chemistry) The nitrile derived from adipic acid
adnephrine
adoperation
adrenocorticotrophic
adrenocorticotrophic
adj
Alternative form of adrenocorticotropic
adrenocorticotrophin
adrenocorticotrophin
noun
(biochemistry) adrenocorticotropic hormone
adrenocorticotropic
adrenocorticotropic
adj
That stimulates the adrenal cortex.
adrenotrophin
adrenotropic
adrenotropic
adj
That stimulates the adrenal glands or adrenal cortex
adrianople
adsorptiveness
adsorptiveness
noun
The property of being adsorptive, of tending toward or being characterized by adsorption.
adventureship
aepyornis
aepyornises
aepyornithidae
aepyornithiformes
aerohydroplane
aeroperitoneum
aeroperitonia
aerophane
aerophane
noun
A thin fabric resembling crape
aerophone
aerophone
noun
(dated) A form of combined speaking trumpet and ear trumpet.
(dated) An instrument for greatly intensifying speech, consisting of a phonograph diaphragm arranged so that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.
Any musical instrument which produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound.
aeroplane
aeroplane
noun
(aeronautics, archaic) An airfoil.
A powered heavier-than-air aircraft with fixed wings.
Any of various nymphalid butterflies, of various genera, having a slow gliding flight. Also called planes.
verb
(intransitive) To fly in an aeroplane.
(transitive) To transport by aeroplane.
aeroplaner
aeroplaner
noun
(archaic) An aeroplane pilot.
aeroplanes
aeroplanes
noun
plural of aeroplane
verb
Third-person singular simple present indicative form of aeroplane
aeroplanist
aeroplanist
noun
(archaic) an aeroplane pilot
aeroplankton
aeroplankton
noun
The tiny lifeforms that float and drift in the air, carried by the current of the wind.
aerosporin
affenpinscher
affenpinscher
Noun
A breed of toy dog bred in Western Europe.
afterimpression
afterimpression
noun
Alternative spelling of after-impression
afterpain
afterpain
noun
(pathology, often in the plural) pain of uterine contractions experienced after childbirth (especially after passage of the placenta)
afterpains
afterpains
noun
plural of afterpain
afterplanting
afterpotential
afterpotential
noun
A small, transitory electrical potential that follows, and is dependent upon the main potential produced when a nerve is stimulated; seen as a small positive or negative spike on an oscillograph output.
afterripening
afterspring
aggroupment
aggroupment
noun
Arrangement in a group or in groups; grouping.
agrypnode
airplane
airplane
noun
(US, Canada, Philippines) Alternative form of aeroplane
airplaned
airplaned
verb
simple past tense and past participle of airplane
airplaner
airplanes
airplanes
noun
plural of airplane
verb
Third-person singular simple present indicative form of airplane
albopruinose
aldermanship
aldermanship
noun
The condition, position, or office of an alderman.
aleksandropol
alexandropolis
alexandroupolis
alexipharmacon
alexipharmacon
noun
An antidote to a poison.
alimentotherapy
alipterion
allenport
almonership
almonership
noun
The rank or office of an almoner.
alnagership
alnagership
noun
The role or status of an alnager.
alpenhorn
alpenhorn
noun
Alternative spelling of alphorn
alpenhorns
alpenhorns
noun
plural of alpenhorn
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alpestrian
alpestrine
alpestrine
adj
Synonym of subalpine
alphabetarian
alphabetarian
noun
A novice or ignoramus.
One who is learning the alphabet; an abecedarian.
alphanumeric
alphanumeric
adj
Consisting of these characters plus punctuation and other special characters.
Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.
noun
An alphanumeric character.
alphanumerical
alphanumerical
adj
Consisting of only letters and numbers; alphanumeric.
alphanumerically
alphanumerically
adv
In a manner that is in numeric / numerical, then alphabetic / alphabetical, order.
In an alphanumeric / alphanumerical manner; using alphanumeric / alphanumerical characters.
alphanumerics
alphanumerics
noun
plural of alphanumeric
alpinery
alternipetalous
alternipinnate
alternisepalous
ambisporangiate
amidopyrine
amidopyrine
noun
(medicine) Synonym of aminophenazone
aminopherase
aminopterin
aminopterin
noun
(pharmacology) A 4-amino analog of folic acid used as a chemotherapy drug.
aminopterins
aminopterins
noun
plural of aminopterin
aminopurine
aminopurine
noun
(organic chemistry) Any amino derivative of a purine
aminopyrine
aminopyrine
noun
aminophenazone
aminopyrines
aminopyrines
noun
plural of aminopyrine
amitriptyline
amitriptyline
noun
(pharmacology) An antidepressant drug; a tablet containing this drug.