astexin
Any of a family of heat-sensitive lasso peptides

astexins
plural of astexin

astragalin
A chemical compound, a 3-O-glucoside of kaempferol, found in Phytolacca americana, the American pokeweed.

astragaline
Alternative form of astragalin.

astragaloside
Any of a group of glycosides, found in the root of the astragalus plant, thought to have some medical applications

astragalosides
plural of astragaloside

astration
In the galactic cycle of matter, the incorporation of matter into a stellar interior during star formation, especially when referring to a specific element or isotope.

astrocartography
A form of astrology that links elements of the birth chart with locations on Earth, resulting in travel recommendations.

astrochemistry
The study of the chemical composition of stars and outer space

astrogaloside
Misspelling of astragaloside.

astrol
Abbreviation of astrology.

astromaterial
Any material recovered from space

astromaterials
plural of astromaterial

astromolecule
Any molecule that has been detected in interstellar or circumstellar space

astromolecules
plural of astromolecule

astronomics
astronomy

ataxin
Any of several proteins, found in several organs of the body, that have an association with ataxia

ataxins
plural of ataxin

atelestite
A basic bismuth arsenate that occurs as a yellow-green mineral

athamantin
A chemical compound (C₂₄H₃₀O₇).

athanogene
A protein that makes cells resistant to apoptosis.

atheronal
Any of a group of ozone compounds found in human atherosclerotic arteries.

atheronals
plural of atheronal

atipamezole
A synthetic alpha2-adrenergic antagonist indicated for the reversal of the sedative and analgesic effects of dexmedetomidine and medetomidine in dogs.

atiprimod
A substance being studied for the treatment of certain multiple myelomas and other advanced cancers.

atizoram
A particular phosphodiesterase inhibitor.

atlastin
Any of a family of proteins whose function is to fuse cell membranes

atlastins
plural of atlastin

atma
Alternative form of atman.

atman
The true self of an individual beyond identification with worldly phenomena, the essence of an individual, an infinitesimal part of Brahman.

atmans
plural of atman

atmas
plural of atma

atmiatry
treatment of disease by vapours or gases, as by inhalation

atmolysis
The separation of mingled gases of unequal diffusibility by transmission through porous substances.

atmophile
In the Goldschmidt classification, a gaseous element that concentrates in the atmosphere.

atmophiles
plural of atmophile

atomicities
plural of atomicity

atomicity
The number of atoms in a molecule.
Synonym of valence (“the combining capacity of an atom, functional group, or radical determined by the number of atoms of hydrogen with which it will unite, or the number of electrons that it will gain, lose, or share when it combines with other atoms, etc.”).
The state of a system (often a database system) in which either all stages complete or none complete.
The quality or state of being atomic.

atoxopy
A supposed phenomenon in which the compounds of a pair of elements from the same column of the periodic table have greatly different toxicities

atoxyl
arsanilic acid

atracurium
A muscle relaxant administered intravenously in the form of its besylate C₆₅H₈₂N₂O₁₈S₂ especially in conjunction with general anesthesia to facilitate insertion of an endotracheal tube or to relax skeletal muscles during surgery or mechanical ventilation. It counteracts the action of the neurotransmitter acetylcholine at neuromuscular junctions by binding to the same receptors it acts upon.

atrament
Ink or an inklike substance.
Any particularly black liquid substance.

atraments
plural of atrament

atriopeptin
Atrial natriuretic peptide, a powerful vasodilator and a protein (polypeptide) hormone secreted by heart muscle cells.

atrogin
Any of a family of F-box proteins expressed during muscle atrophy

atrogins
plural of atrogin

atrophin
Any of a class of proteins found in nervous tissue.

atrophins
plural of atrophin

atropia
Dated form of atropine.

atropias
plural of atropia

atropin
Alternative spelling of atropine.

atropine
An alkaloid extracted from the plant deadly nightshade (Atropa belladonna) and other sources, such as the seeds of the thorn-apple. Though overdoses would be fatal it is used as a drug in medicine for its paralytic effects (e.g. in surgery to relax muscles, in dentistry to dry the mouth, in ophthalmology to dilate the pupils).

atropines
plural of atropine

atropins
plural of atropin

atropisomer
Any conformer that can be isolated as a separate chemical compound and that arises from restricted rotation about a single bond, as in biaryl atropisomers. Synonym: atropoisomer.

atropisomers
plural of atropisomer

atropoisomer
Any of a group of stable molecules differing only in their conformation: a type of stereoisomer.

atropoisomers
plural of atropoisomer

atroscine
An alkaloid found in plants of the genus Scopolia.

attom
Obsolete form of atom.

attoms
plural of attom

attracticide
A substance that both attracts and kills an organism.

attracticides
plural of attracticide

attritus
material pulverized by attrition

audiovisuals
audiovisual material

aufwuchs
The small animals and plants that encrust hard substrates, such as rocks, in aquatic environments.

augen
Flattened eye-shaped mineral grains present in some metamorphic rocks.

augengneiss
A type of metamorphic rock characterized by large, lenticular mineral grains or crystal aggregates that resemble "eyes" (called augen in German) embedded within a finer-grained matrix. These "eyes" are usually feldspar or quartz grains that have been deformed during metamorphism.

augengneisses
plural of augengneiss

augerpeptide
Amy of a group of toxic peptides present in some venomous marine snails

augerpeptides
plural of augerpeptide

auracyanin
Any of a group of copper-binding proteins present in the photosynthetic bacterium Chloroflexus aurantiacus

auracyanins
plural of auracyanin

aurapten
Alternative form of auraptene.

auraptene
A bioactive monoterpene coumarin ether that helps to prevent degenerative diseases, first isolated from the genus Citrus.

aurelione
An isomer of cyclohexadecenone (cyclohexadec-8-en-1-one) used in perfumes to give a musk fragrance

aureocin
Any of a class of bacteriocins produced by Staphylococcus aureus.

aureocins
plural of aureocin

aurichloride
Tetrachloroaurate

aurichlorides
plural of aurichloride

aurofusarin
A dimeric derivative of naphthoquinone 5-hydroxy-7-(5-hydroxy-8-methoxy-2-methyl-4,6,9-trioxobenzo[g]chromen-7-yl)-8-methoxy-2-methylbenzo[g]chromene-4,6,9-trione

auroglaucin
An organic compound found in Aspergillus species.

aurone
A flavonoid that contains a benzofuran element associated with a benzylidene linked in position 2

aurones
plural of aurone

aurotherapy
Synonym of chrysotherapy.

aurothiomalate
A thiomalate with the addition of gold.

aurothiomalates
plural of aurothiomalate

aurovertin
Any of a group of proteins that inhibits respiration

aurovertins
plural of aurovertin

ausonium
A rejected name for neptunium. (Ausonium chemical symbol: Ao)

austenitization
The heating of iron (or another iron-based metal such as steel) to a temperature at which it changes crystal structure from ferrite to austenite.

austenitizations
plural of austenitization

austinol
A polycyclic meroterpenoid present in Aspergillus

australol
An organic compound with the formula (CH₃)₂CHC₆H₄OH.

austrium
A supposed chemical element proposed by Eduard Linnemann in 1886, later found to be gallium.

autoacceleration
A local increase in the rate of polymerization of a viscous monomer

autoaccelerations
plural of autoacceleration

autoactivator
An enzyme involved in autoactivation

autoactivators
plural of autoactivator

autoacylation
intramolecular acylation, especially of an enzyme

autoacylations
plural of autoacylation

autobiochemistry
The application of automation in biochemistry