achesome
Characterised or marked by aching; painful

achetous
Alternative form of achaetous.

achey
Alternative spelling of achy.

achiasmate
Alternative form of achiasmatic.

achiasmatic
Undergoing meiosis but without achieving chiasma

achier
comparative form of achy /achey: more achy /achey

achiest
superlative form of achy /achey: most achy /achey

achievable
Capable of being achieved, which either means possible or probable.
Not linked to fate or outside influences.

achieveable
Misspelling of achievable.

achilous
Without a lip.

achime
chiming

achiral
superimposable on its mirror image; amphichiral

achirotopic
Not chirotopic

achlamydate
Not possessing a mantle.

achlamydeous
having no perianth

achlorhydric
Of or pertaining to achlorhydria

achlorophyllaceous
Lacking chlorophyll; hence colourless

achlorophyllous
not having chlorophyll and, hence, unable to engage in photosynthesis

achluophobic
Of or relating to achluophobia (a morbid fear of darkness or nightfall).

achoanitic
Lacking choanae

acholic
Lacking bile (or bile pigments) (for example, making feces light-colored).

acholous
Lacking bile.

acholuric
Of or pertaining to acholuria

achondritic
Of or pertaining to achondrites, a type of stony meteorite.

achondroplasic
Having or relating to achondroplasia.

achondroplastic
Of, related to, or suffering from achondroplasia.

achordal
achordate

achordate
Not having a proto-spinal chord at any stage of development.

achrestic
Lacking the ability to utilize a tool or process
Lacking the ability to utilize a vitamin

achromatic
Free from color; transmitting light without color-related distortion.
Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
Uncolored; not absorbing color from a fluid.
Having only the diatonic notes of the scale; not modified by accidentals.

achromatinic
Lacking the ability to be coloured by a stain.

achromatophile
Being or relating to an achromatophil.

achromatopsic
Relating to, or exhibiting, achromatopsia.

achromatous
Lacking normal colour; colourless

achromic
Uncoloured; not pigmented; lacking in colour.

achromophilic
Of or pertaining to an achromophil

achromophilous
Not chromophilous.

achromosomal
That does not involve chromosomes

achromous
colorless; achromatic

achronal
Describing a set of points in a spacetime, no two of which have timelike separation

achronic
Timeless.
Happening at sunset (of the rise or fall of a star; opposed to cosmic).

achronical
Alternative form of achronic.

achronological
Not chronological; proceeding through time in a nonlinear fashion

achronycal
Alternative form of acronycal.

achroous
Colorless; achromatic.

achy
With or suffering from aches; sore.

achylic
achylous

achylous
Without chyle

achymous
Without chyme.

acicular
Needle-shaped; slender like a needle or bristle.
Having sharp points like needles.
Of a leaf, slender and pointed, needle-like.

acicularly
In an acicular way.

aciculiform
Needle-shaped; acicular.

acid
Sour, sharp, or biting to the taste; tart; having the taste of vinegar.
Sour-tempered.
Of or pertaining to an acid; acidic.
Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.

acidaemic
Pertaining to, or afflicted with, acidaemia.

acidemic
Alternative form of acidaemic.

acider
comparative form of acid: more acid

acidergic
activated or produced by a (specific) acid

acidest
superlative form of acid: most acid

acidfree
Alternative spelling of acid-free.

acidic
Of or relating to acid; having the character of an acid.
Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.
Containing a high percentage of silica-bearing minerals.

acidiest
superlative form of acidy: most acidy

acidiferous
Containing or yielding an acid.

acidifiable
Capable of being acidified, or converted into an acid.

acidific
acidic

acidimetric
Describing a titration in which the titrant is an acid.

acidimetrical
Alternative form of acidimetric.

acidiphilic
Alternative form of acidophilic.

acidless
Without acid.

acidlike
Resembling or characteristic of an acid; acidic.

acidobacterial
Relating to the Acidobacteria.

acidobiontic
Relating to, or characteristic of acidobionts

acidocalcisomal
Relating to acidocalcisomes

acidochromic
Relating to, or exhibiting acidochromism

acidogenic
Which generates acid or acidity.

acidoid
Potentially acidic

acidoids
plural of acidoid

acidopeptic
Relating to digestion by acid rather than by enzymes

acidophilic
Thriving under acidic conditions; relating to or being an acidophile.
Easily stained with acidic dyes, such as eosin.

acidophilous
That thrives in an acidic environment

acidophytic
Relating to acidophytes

acidoproteolytic
Relating to acidoproteolytes

acidosome
A vesicle, in some protozoans, that is involved in the acidification of phagocytes.

acidostable
Chemically stable in the presence of acid

acidothermophilic
Synonym of thermoacidophilic.

acidotolerant
Able to tolerate an acidic environment

acidotrophic
Misspelling of acidotropic.

acidotropic
That accumulates in acidic environments.

acidproof
Resistant to the corrosive effects of acid.

acids
plural of acid

acidstable
Alternative form of acidostable.

acidulcis
Both sour and sweet.

acidulent
Having an acid quality; sour; acidulous.

acidulous
Slightly sour; subacid; sourish.
Sharp; caustic.
Containing carbonic acid.

aciduric
(of bacteria) growing in acidic medium, but preferring an alkaline medium

acidy
Like an acid, somewhat acidic.

aciform
Shaped like a needle.

aciliate
that lacks cilia

aciliated
Alternative form of aciliate.

acinaceous
Containing seeds or stones of grapes, or grains like them.

acinaciform
Shaped like a scimitar.

acinal
Of, pertaining to, or located in an acinus.

acinar
Of, pertaining to, or located in an acinus.

acinarious
Having acini

acinary
Alternative form of acinar.

acinetic
Dated form of akinetic.

acinetiform
Resembling the Acinetae.

acinic
acinar

acinobacterial
Relating to bacteria of the genus Acinetobacter

acinoductal
Relating to an acinar duct

acinonodular
aciniform

acinotubular
Having both acini and tubules

acipenserine
Pertaining to sturgeons

aciurgy
Operative surgery.

acknowledgeable
Able to be acknowledged.
Worthy of acknowledgement.

acknowledgeably
Such that it can be acknowledged.

aclang
Clanging.

aclastic
Of ilk nature, or pertaining to aclasis.
Non-refractive in nature.

aclatter
Clattering, making or filled with a clattering sound.

acleidian
Alternative form of aclidian.

acleioproctic
Having the anus located dorsally.

acleithral
Lacking a cleithrum

aclidian
That lacks clavicles

aclimatological
Differing from normal climatological data or considerations.

aclinic
Without inclination or dipping.

aclinical
Not differentiated; not meeting clinical diagnostic criteria.

aclonal
Synonym of solitary.

acloud
Made cloudy; clouded.

acmatic
Relating to the acme of something; highest.

acmeist
Alternative letter-case form of Acmeist.

acmic
peak

acned
Marked by acne; suffering from acne.

acneform
Resembling acne

acnegenic
That causes acne

acneic
afflicted with (acned) or related to acne

acneiform
Alternative form of acneform.

acnodal
Pertaining to acnodes

acoelomate
Any animal without a coelom.

acoelomates
plural of acoelomate

acoelomic
Lacking a coelom

acoelomous
Synonym of acoelomate.

acoelous
Not hollowed.

acoemetic
Relating to, or characteristic of the Acoemetae

acognitive
Not cognitive
Lacking cognition

acollinear
Not collinear

acologic
Pertaining to acology

acolous
Lacking limbs

acolouthic
Alternative form of acoluthic.

acoluthic
Pertaining to a residual sense impression immediately following a stimulus, as with an afterimage

aconative
Lacking conation

aconceptual
Not conceptual.

acondylose
Alternative form of acondylous.

acondylous
Without joints; jointless.

acone
That lack cones