(organic chemistry) Of, pertaining to, or producing acetone
acetonyl
acetonyl
noun
(organic chemistry) The univalent radical CH₃-CO-CH₂- formally derived from acetone
acetoxim
acetoxyl
acetoxyl
noun
(organic chemistry) The acetate group, CH₃COO-, when viewed as a substituent
acetract
acetract
noun
(medicine) In botanical medicine, a vinegar extract of herbs.
aceturic
acetylic
acetylic
adj
(organic chemistry) Of or pertaining to acetyl.
acetylid
achakzai
achamoth
achatina
achatour
achatour
noun
(historical) A purveyor of provisions; a provedore. [14th–18th c.]
acheilia
acheilia
noun
(pathology) A congenital absence of lips, liplessness
acheiria
acheiria
noun
A loss of sense in one or both hands, or the inability to tell on which side of the body a stimulus has been applied
The congenital absence of one or both hands
acheirus
achelous
achelous
Proper noun
a river in western Greece
Deity of water; later, patron deity of the Achelous River.
achenial
achenial
adj
Pertaining to an achene.
achenium
achenium
noun
(botany) achene
acherman
achernar
achesoun
acheweed
achieved
achieved
adj
(of a goal or status) Having been reached, attained or accomplished.
verb
simple past tense and past participle of achieve
achiever
achiever
noun
One who achieves something.
One who tends to succeed; a winner.
achieves
achieves
verb
Third-person singular simple present indicative form of achieve
achilary
achillea
achillea
noun
Any of various plants of the genus Achillea
achilles
achilles
Proper noun
semi-divine hero, son of Peleus and the nymph Thetis, prince and leader of the Myrmidons; great warrior of the Achaean (Greek) camp, killed in the Trojan War; central character of the Iliad.
achilous
achilous
adj
(botany, anatomy) without a lip.
achimaas
achinese
achiness
achiness
noun
The property of being achy.
achingly
achingly
adv
In an aching manner; sorely.
achiotes
achiotes
noun
plural of achiote
achirite
achirite
noun
dioptase
achmetha
acholias
acholous
acholous
adj
(medicine) Lacking bile.
achomawi
achomawi
Proper noun
The native language spoken by the Pit River people of present-day California.
achordal
achordal
adj
achordate
achorion
achroite
achroite
noun
(mineralogy) A colourless form of tourmaline
achromat
achromat
noun
(optics) A lens that imparts little color; a lens that is achromatic.
achromia
achromia
noun
(medicine) Absence of pigmentation, especially in the skin or blood
achromic
achromic
adj
(sciences) Uncoloured; not pigmented; lacking in colour.
achroous
achroous
adj
Colorless; achromatic.
achylous
achylous
adj
(physiology) Without chyle
achymous
achymous
adj
(physiology) Without chyme.
aciculae
aciculae
noun
plural of acicula
acicular
acicular
adj
(botany) Of a leaf, slender and pointed, needle-like.
Having sharp points like needles.
Needle-shaped; slender like a needle or bristle.
aciculas
aciculum
aciculum
noun
(botany, zoology) A needlelike spine or bristle, specially the seta of an annelid
acidemia
acidemia
noun
Alternative form of acidaemia
acidhead
acidhead
noun
(slang, derogatory) A person who uses the hallucinogenic drug LSD.
acidific
acidific
adj
(rare) acidic
acidized
acidized
verb
simple past tense and past participle of acidize
acidness
acidness
noun
acidity, sourness
acidoses
acidoses
noun
plural of acidosis
acidosis
acidosis
noun
(pathology) An abnormally increased acidity of the blood.
acidotic
acidotic
adj
(pathology) Having depressed alkalinity of blood or tissue.
aciduria
aciduria
noun
(medicine) The presence of an acid in the urine
aciduric
aciduric
adj
(biology) (of bacteria) growing in acidic medium, but preferring an alkaline medium
acierage
acierage
noun
(historical) The process of electroplating a copper engraving with iron or steel.
acierate
acierate
verb
(rare, transitive) To convert (iron) into steel, or to coat with a layer of steel by converting only the surface of the iron.
aciliate
aciliate
adj
that lacks cilia
acinaces
acinaces
noun
(historical, ancient history) A short sword or saber.
acinetae
acinetan
acinetic
acinetic
adj
Dated form of akinetic.
ackerley
ackerman
ackerman
Proper noun
a town in Mississippi, USA
ackworth
aclastic
aclastic
adj
Non-refractive in nature.
Of ilk nature, or pertaining to aclasis.
aclidian
aclidian
adj
That lacks clavicles
acmispon
acneform
acneform
adj
(pathology, especially of a rash) Resembling acne
acoelomi
acoelous
acoelous
adj
(zoology) Without a coelom.
acoemeti
acolhuan
acologic
acologic
adj
Pertaining to acology
acolytes
acolytes
noun
plural of acolyte
acolytus
aconital
aconital
adj
Of, or derived from aconite.
aconites
aconites
noun
plural of aconite
aconitia
aconitia
noun
(chemistry) aconitine.
aconitic
aconitic
adj
Of or pertaining to aconite.
Of or pertaining to aconitic acid.
aconitin
aconitin
noun
Archaic form of aconitine.
aconitum
aconitum
noun
Aconitum, a genus of plants in the family Ranunculaceae.
The poisonous herb aconite; also, an extract from it.
acontias
acontias
noun
plural of acontia
acontium
acontium
noun
An Ancient Greek weapon similar to a javelin
One of a series of threads of a septum of some actinians
acontius
acopyrin
acosmism
acosmism
noun
A denial of the existence of the universe as distinct from God.
The determination of the world as mere phenomena to which true reality does not pertain.
acosmist
acosmist
noun
A follower of acosmism
acounter
acousmas
acoustic
acoustic
adj
(architecture) (of building materials) Used for soundproofing or modifying sound.
(music) Naturally producing or produced by an instrument without electrical amplification or the need thereof.
(of a device or system) Utilizing sound energy in its operation.
(weaponry) (of an explosive mine or other weapon) Able to be set off by sound waves.
noun
(medicine) A medicine or other agent to assist hearing.
(usually in the plural) The properties or qualities of a room or building that determine how sound is transmitted in it.
Clipping of acoustic guitar.
acquaint
acquaint
adj
(obsolete) Acquainted.
verb
(transitive, archaic, followed by of or that) To communicate notice to; to inform; let know.
(transitive, followed by with) To furnish or give experimental knowledge of; to make (one) know; to make familiar.
(transitive, obsolete) To familiarize; to accustom.
acquests
acquests
noun
plural of acquest
acquired
acquired
adj
(medicine) Developed after birth; not congenital.
verb
simple past tense and past participle of acquire
acquirer
acquirer
noun
A bank or financial institution that processes credit card or debit card payments on behalf of a merchant.
One who acquires.
acquires
acquires
verb
Third-person singular simple present indicative form of acquire
acquital
acquital
noun
Obsolete spelling of acquittal.
acranial
acranial
adj
Without a skull.
acrasias
acrasida
acrasins
acrasins
noun
plural of acrasin
acreable
acreable
adj
(archaic) Of an acre; per acre.
acreages
acreages
noun
plural of acreage
acredula
acridane
acridane
noun
Alternative form of acridan
acridest
acridest
adj
superlative form of acrid: most acrid
acridian
acridian
adj
Relating to insects of the family Acrididae
noun
Any of the family Acrididae of grasshoppers, crickets, locusts etc.
acridine
acridine
noun
(countable, organic chemistry) Any of many derivatives of this compound
(uncountable, organic chemistry) A tricyclic aromatic heterocycle, dibenzopyridine, obtained from coal tar; it is used in the manufacture of dyes and drugs
acridity
acridity
noun
(figurative) Bitterness in speech or behaviour; causticness.
An acrid taste or smell.
Bitterness or acerbity.
acridium
acridone
acridone
noun
(organic chemistry) An tricyclic heterocyclic ketone derived from acridine; any derivative of this compound
acrimony
acrimony
noun
A sharp and bitter hatred.
acrisius
acritude
acritude
noun
acridity; pungency combined with heat.
acroasis
acroasis
noun
An oral discourse.
acroatic
acroatic
adj
acroamatic
acrobacy
acrobacy
noun
acrobatics
acrobats collectively
acrobats
acrobats
noun
plural of acrobat
verb
Third-person singular simple present indicative form of acrobat
acrocera
acrocyst
acrocyst
noun
A chitinous cyst of the gonophore at the top of the gonotheca in some hydroids
acrodont
acrodont
adj
Having teeth immovably united to the top of the alveolar ridge.
noun
One of a group of lizards having the teeth immovably united to the top of the alveolar ridge
acrogamy
acrogens
acrogens
noun
plural of acrogen
acrolein
acrolein
noun
(organic chemistry) A pungent, acrid, poisonous liquid aldehyde, CH₂=CH-CH=O, made by the destructive distillation of glycerol.
acrolith
acrolith
noun
(historical) An ancient Greek wooden statue furnished with a rupestral head and limbs.
acrology
acrology
noun
Synonym of acrophony
acromial
acromial
adj
Of or pertaining to the acromion.
acromion
acromion
noun
(anatomy) The outermost point of the shoulder blade.
acronomy
acronych
acronyms
acronyms
noun
plural of acronym
verb
Third-person singular simple present indicative form of acronym
acropora
acropore
acropore
noun
Any coral of the genus Acropora
acrosarc
acrosome
acrosome
noun
A structure forming the end of the head of a spermatozoon
acrostic
acrostic
adj
Of or pertaining to acrostics.
noun
A kind of word puzzle, the solution of which forms an anagram of a quotation, and their initials often form the name of its author.
A poem in Hebrew in which successive lines or verses start with consecutive letters of the alphabet.
A poem or other text in which certain letters, often the first in each line, spell out a name or message.
acrotism
acrotism
noun
(medicine) A lack or defect of the pulse.
acrydium
acrylate
acrylate
noun
(organic chemistry) Any salt or ester of acrylic acid.
acrylics
acrylics
noun
plural of acrylic
actifier
actifier
noun
(chemistry) Synonym of reactivator
actiniae
actinian
actinian
noun
A sea anemone (of the order Actiniaria).
actinias
actinias
noun
plural of actinia
actinide
actinide
noun
(chemistry) Any of the 14 elements from actinium to nobelium (lawrencium is excluded by some authors as it is a d-block rather than an f-block element).
(chemistry) Any of the 15 radioactive elements of the periodic table from actinium to lawrencium that are positioned under the lanthanides, to which they have similar chemistry.
(chemistry, dated) Any of the 14 elements from thorium to lawrencium (actinium having been mistakenly excluded because it was thought to be a d-block element in the past).
actinine
actinism
actinism
noun
(chemistry, physics) That property of electromagnetic radiation that leads to the production of photochemical effects
actinium
actinium
noun
A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
actinoid
actinoid
adj
Having the form of rays; radiated, as in the species of the family Actiniidae.