abfractions
plural of abfraction

abilla
An oily seed, from the South American plant Fevillea trilobata, used to make candles.

abillas
plural of abilla

abjad
A writing system for Arabic, historically also employed as a numeral system, in which there is one glyph (symbol or letter) for each consonant but vowels are not specified.
Any writing system in which glyphs are used to represent consonants or consonantal phonemes, but not vowels.
The system of abjad numerals; a numeral system in which the letters of the Arabic abjad are interpreted as numerals, typically used to enumerate lists and nested lists, as well as in numerology.

abjads
plural of abjad

abortin
An extract manufactured from the bacterium Brucella abortus, and is used to study contagious abortions in cattle.

abortins
plural of abortin

abradant
A material used for grinding, as emery, sand, powdered glass, etc.; an abrasive.

abradants
plural of abradant

abrader
Something that abrades; a tool or machine for abrading.
Something that abrades; a tool or machine for abrading.
Something that abrades; a tool or machine for abrading.

abraders
plural of abrader

abraser
A tool or machine for abrading; abrader.

abrasers
plural of abraser

abrasiometer
A device which measures the resistance of surfaces to abrasion.

abrasiometers
plural of abrasiometer

abrasives
plural of abrasive

abrasor
Synonym of abrader.

abrasors
plural of abrasor

abraum
A red ocher used to darken mahogany and for making chloride of potassium.

absolutes
plural of absolute

absolutive
Of or pertaining to the grammatical case prototypically used to indicate the sole argument of an intransitive verb, and the more patientive argument of a transitive verb.
Of, exhibiting, or pertaining to absolution; absolutory, absolving.

absolutives
plural of absolutive

absorptiometer
An 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.

absorptiometers
plural of absorptiometer

abstergent
Cleansing, detergent.

abstergents
plural of abstergent

acardite
n-methyl-n',n'-diphenylurea, used to stabilize chemicals and as a plasticizer.

acateries
plural of acatery

acatery
Alternative form of acatry.

acatry
A room or place used to store provisions purchased for the king.

acc
Abbreviation of accusative case

accelerant
Any substance that can bond or mix with, or disturb, another substance and cause an increase in the speed of a natural or artificial chemical process.
Any substance that can bond or mix with, or disturb, another substance and cause an increase in the speed of a natural or artificial chemical process.
Something that speeds up a process or the uptake of something else.

accelerants
plural of accelerant

accelerograph
An apparatus for studying the combustion of powder in guns, etc.
An instrument used to record the acceleration of the ground during an earthquake.

accelerographs
plural of accelerograph

accelerometer
An instrument for measuring acceleration.
An instrument made for detecting and measuring vibrations.

accelerometers
plural of accelerometer

accommodometer
An instrument used to measure the accommodation of the eye.

aceanthrylene
A polycyclic aromatic hydrocarbon containing an unsaturated five-membered ring ortho- and peri-fused to the 1- and 9- positions of anthracene

acenaphthylene
A polycyclic aromatic hydrocarbon containing an unsaturated five-membered ring ortho- and peri-fused to the 1- and 9- positions of naphthalene.

acenaphthylenes
plural of acenaphthylene

acephenanthrene
A polycyclic aromatic hydrocarbon containing an unsaturated five-membered ring ortho- and peri-fused to the 1- and 9- positions of phenanthrene

acetamidoacrylate
The acetamido derivative of an acrylate; methyl 2-acetamidoacrylate is used to make specialist polymers

acetamidoacrylates
plural of acetamidoacrylate

acetator
A device wherein bacteria process a liquid containing alcohol with the help of oxygen into carboxylic acid.

acetators
plural of acetator

acetifier
An apparatus for hastening acetification

acetifiers
plural of acetifier

acetimeter
An instrument for estimating the amount of acetic acid in vinegar

acetimeters
plural of acetimeter

acetomel
A syrup of honey and vinegar, used to preserve fruits.

acetometer
Alternative form of acetimeter.

acetometers
plural of acetometer

acetonurometer
An instrument for measuring the acetone content of the urine.

acetonurometers
plural of acetonurometer.

acetosulfone
The antibacterial / leprostatic sulfone N-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide

acetowhitening
The whitening of skin or mucous membrane after application of acetic acid solution (used to identify zones of squamous cell change)

acetoxolone
An acetyl derivative of glycyrrhetinic acid used to treat peptic ulcer and gastroesophageal reflux.

acetylchitooligosaccharide
An acetylated form of chitooligosaccharide that is an angiogenic inhibitor.

acetylchitooligosaccharides
plural of acetylchitooligosaccharide

achelor
ashlar

achelors
plural of achelor

acidimeter
An instrument for ascertaining the strength of acids.

acidimeters
plural of acidimeter

acidimetre
Alternative form of acidimeter.

acidimetres
plural of acidimetre

acoramidis
A transthyretin stabilizer used to treat cardiomyopathy.

acoumeter
An instrument for measuring the acuteness of the sense of hearing.

acoumeters
plural of acoumeter

acouometer
Alternative form of acoumeter.

acouometers
plural of acouometer

acraein
A distasteful substance produced by some butterflies as a defence mechanism

acrinathrin
A synthetic pyrethroid insecticide used to control Varroa jacobsoni mites and other insects.

acroblast
Material derived from the Golgi apparatus from which the acrosome develops during spermatogenesis.
A type of embryonic cell forming a layer external to the mesoblast.

acroblasts
plural of acroblast

acrophone
The first sound of a word, or a glyph used to represent the first sound of the word it represents

acrophones
plural of acrophone

actifier
Synonym of reactivator.

actifiers
plural of actifier

actigraph
An accelerometer, worn by a sleeping subject, that records sleep activities.

actigraphs
plural of actigraph

actimeter
A device that measures and records activity and rest.

actimeters
plural of actimeter

actinometer
An instrument used to measure the heating power of electromagnetic radiation, especially that of solar radiation.

actinometers
plural of actinometer

actinophone
An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays.

actinophones
plural of actinophone

actograph
A device that records the movements of a sleeping person.

actographs
plural of actograph

actometer
A device that measures and records activity and rest.

actometers
plural of actometer

actophotometer
A device that uses infrared light to monitor the activity of a caged laboratory animal

actophotometers
plural of actophotometer

actuator
Something that actuates something else.
A usually electric device that causes a mechanical device (i.e., a mechanism) to be switched on or off. For example; an electric motor that opens and closes a valve.
The mechanism that moves the head assembly on a disk drive.
A relay that controls the flow of electricity.

actuators
plural of actuator

adagrasib
An anticancer medication used to treat NSCLC.

adamantanethiol
Either of two isomeric thiols derived from adamantane, but especially 1-adamantanethiol which is used to make adamantylthio sialosides

adamantanethiols
plural of adamantanethiol

adarce
A salty concretion found on reeds and grasses in marshy grounds. Soft and porous, it was formerly used for cleansing the skin and to treat leprosy. Nowadays it is unclear as to the exact nature of the substance.

addice
An adze.

addices
plural of addice

addressograph
A device for making mailing labels, used for much of the 20th century.