(medicine) A trepan having a conical shape so that injurious penetration of the brain is impossible.
abbotship
abbotship
noun
The state, term, or office of an abbot; abbacy.
abbotships
abbotships
noun
plural of abbotship
abdominoposterior
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.
abreption
abreption
noun
(obsolete) A snatching away.
abruptio
abruptio
noun
(music) An abrupt pause or stop; an abruption.
abruption
abruption
noun
(archaic) A sudden termination or interruption.
A sudden breaking off; a violent separation of bodies.
abruptiones
absorpt
absorpt
adj
absorbed
verb
(archaic) past participle of absorb
absorptance
absorptance
noun
(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
absorptiometer
absorptiometer
noun
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.
absorption
absorption
noun
(chemistry, physics) the imbibing or reception by molecular or chemical action, of radiant energy; the process of being neutrons being absorbed by the nucleus; interception.
(electrical engineering) The retaining of electrical energy for a short time after it has been introduced to the dielectric.
(meteorology) The process in which incident radiant energy is retained by a substance (such as an air mass) by conversion to some other form of energy (such as heat).
(obsolete) engulfing; swallowing up, as of bodies or land.
(physiology) in living organisms, the process by which the materials of growth and nutrition are absorbed and conveyed to the tissues and organs; taking in by various means, such as by osmosis.
Entire engrossment or occupation of the mind.
Mental assimilation.
assimilation; incorporation.
absorptional
absorptional
adj
Relating to absorption.
absorptions
absorptions
noun
plural of absorption
absorptive
absorptive
adj
Having power, capacity, or tendency to absorb or imbibe; absorbent.
noun
Any substance that absorbs.
absorptively
absorptively
adv
In an absorptive way.
absorptiveness
absorptiveness
noun
The quality of being absorptive; absorptive power.
absorptivity
absorptivity
noun
(analytical chemistry) The constant a in the Beer's law relation A = abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power. Formerly known as absorbency index; absorption constant; extinction coefficient.
(thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface.
The quality of being absorptive; absorptiveness.
absumption
absumption
noun
(obsolete) Destruction or disintegration, especially a gradual one; wasting away.
acanthocarpous
acanthocarpous
adj
(botany) Having the fruit covered with spines.
acanthocephala
acanthocephalan
acanthocephalan
adj
In a manner similar to Acanthocephala.
noun
Any of parasitic intestinal worms comprising the phylum Acanthocephala.
acanthocephali
acanthocephalous
acanthocephalous
adj
(zoology) Having a spiny head, as one of the Acanthocephala.
acanthopanax
acanthophis
acanthophorous
acanthophorous
adj
Spine-bearing.
acanthopod
acanthopod
adj
Spiny-footed.
acanthopodous
acanthopodous
adj
Having spiny peduncles.
acanthopomatous
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
acataposis
acceptation
acceptation
noun
(obsolete) Acceptance; reception; favorable reception or regard; the state of being acceptable.
Ready belief.
The meaning (sense) in which a word or expression is understood, or generally received.
acceptations
acceptations
noun
plural of acceptation
acceptilation
acceptilation
noun
(civil law) Gratuitous discharge; a release from debt or obligation without payment; free remission.
(theology) The doctrine, laid down by Duns Scotus and maintained by the Arminians, that the satisfaction rendered by Christ was not in itself really a true or full equivalent, but was merely accepted by God, through his gracious goodwill, as sufficient.
acception
acception
noun
(obsolete) Acceptation; received meaning.
acceptor
acceptor
noun
(biochemistry) A transfer RNA molecule that can accept a specific amino acid
(chemistry) An atom or molecule which can accept an electron to form a chemical bond.
(computing theory) A kind of finite-state machine whose binary output indicates whether or not a received input was accepted.
(law, commerce) One who accepts a draft or a bill of exchange; a drawee after he has accepted.
(physics) A chemical acceptor atom forming a positive hole in a semiconductor
(physiology) A cluster of skin cells that respond to pain
One who accepts.
acceptors
acceptors
noun
plural of acceptor
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
accompanist
accompanist
noun
(music) The performer in music who takes the accompanying part.
accompanists
accompanists
noun
plural of accompanist
accompanyist
accompanyist
noun
Alternative spelling of accompanist
accomplement
accompletive
accompletive
adj
(rare) Tending to accomplish.
accomplicity
accomplicity
noun
(rare) The act or state of being an accomplice.
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
accomplisht
accomplisht
adj
Obsolete form of accomplished.
verb
(obsolete) simple past tense and past participle of accomplish
accompt
accompt
noun
(archaic) Account.
verb
(archaic) To account.
accorporate
accorporation
accountantship
accountantship
noun
The office or employment of an accountant.
accouplement
accouplement
noun
(rare) That which couples, as a tie or brace
(rare) The act of coupling, or the state of being coupled; union
acephalocyst
acephalocyst
noun
(zoology) A larval entozoön in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.
acepots
acepots
noun
Synonym of acepot
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
acetonaphthone
acetonaphthone
noun
(organic chemistry) Either of two isomers of methyl naphthyl ketone
acetophenetide
acetophenetide
noun
(organic chemistry) The N-acetyl derivative of a phenetidine
acetophenetidin
acetophenetidin
noun
phenacetin
acetophenetidine
acetophenin
acetophenine
acetophenone
acetophenone
noun
(organic chemistry) The aromatic ketone phenyl methyl ketone, used in the manufacture of very many organic compounds
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetoxyphthalide
acetylperoxide
acetylphenol
acetyltropeine
achitophel
achondroplastic
achondroplastic
adj
(teratology) Of, related to, or suffering from achondroplasia.
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
acidoproteolytic
acidoproteolytic
adj
Relating to acidoproteolytes
acidosteophyte
acidosteophyte
noun
(medicine) A sharp or needle-shaped osteophyte.
acousticophobia
acousticophobia
noun
Fear of noise.
acraspedote
acraspedote
adj
Relating to jellyfish of the class Acraspeda
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.
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
acropetally
acropetally
adv
In an acropetal manner.
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acropolitan
acropolitan
adj
Of or befitting an acropolis, especially in lofty glory and in the capacity to inspire awe; compare Acropolitan.
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
actiniomorpha
actinocarp
actinocarpic
actinocarpous
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.
actinomorphy
actinomorphy
noun
The condition of being actinomorphic.
actinophone
actinophone
noun
An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays.
actinophonic
actinophonic
adj
Relating to the production of sound by means of the actinic, or ultraviolet, rays.
actinophore
actinophore
noun
(biology) A cartilaginous spine that supports the fin rays of fish
actinophorous
actinophorous
adj
(biology) Having straight projecting spines
actinophryan
actinophrys
actinopod
actinopod
noun
(zoology) Any member of the variously ranked group Actinopoda of protozoa.
actinopoda
actinopraxis
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
actinoscopy
actinoscopy
noun
(medicine, archaic) Radiology; examination by means of an X-ray machine.
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.
actorship
actorship
noun
The state or quality associated with being an actor.
acupunctuation
acupunctuation
noun
(rare) A pricking with or as if with a needle; the practice of acupuncture.
acupuncturation
acupuncturation
noun
(medicine, archaic) Acupuncture
acupuncturator
acupuncturator
noun
An acupuncturist.
adaptation
adaptation
noun
(countable) A change that is made or undergone to suit a condition or environment.
(countable, authorship) An artistic work that has been adapted from a different medium.
(countable, evolutionary theory) An instance of an organism undergoing change, or the structure or behavior that is changed.
(sociology) The means by which social groups adapt to different social and physical environments.
(uncountable) The process of adapting an artistic work from a different medium.
(uncountable) The process of adapting something or becoming adapted to a situation; adjustment, modification.
(uncountable, evolutionary theory) The process of change that an organism undergoes to be better suited to its environment.
adaptational
adaptational
adj
(biology) Applied to physiological or functional modifications of parts or organs, as distinguished from morphological or structural changes.
Relating or pertaining to adaptation, or the adjustment of one thing to another; adaptive
adaptationally
adaptationally
adv
In terms of, or by means of, adaptation.
adaptations
adaptations
noun
plural of adaptation
adaption
adaption
noun
Alternative form of adaptation
adaptional
adaptional
adj
(biology) Applied to the process by which an organism is fitted or adapted to its environment
Relating or pertaining to adaptation, or the action of adapting.
adaptionism
adaptionism
noun
Alternative form of adaptationism
adaptions
adaptions
noun
plural of adaption
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.