(obsolete, zoology) An order of annelids, so called because the species composing it have no special organs of respiration, usually including Oligochaeta.
(obsolete, zoology)Any of a number of other groupings of gill-less animals.
abranchiate
abranchiate
adj
(zoology) Without gills.
noun
(zoology) An organism that does not have gills.
abranchious
abranchious
adj
Having no gills
acanthopore
acanthopore
noun
(paleontology) A tubular spine in some bryozoans.
accroaching
accroaching
verb
present participle of accroach
aceanthrene
achaenocarp
achaenocarp
noun
Any dry indehiscent fruit.
acharnement
acharnement
noun
(obsolete) Savage fierceness; ferocity.
achondrites
achondrites
noun
plural of achondrite
achondritic
achondritic
adj
(geology) Of or pertaining to achondrites, a type of stony meteorite.
achroanthes
achroglobin
achyranthes
achyranthes
noun
plural of achyranthe
acidanthera
acidanthera
noun
Any of the gladioli previously placed in the genus Acidanthera.
acocanthera
acrochordon
acrochordon
noun
(medicine) A soft, pedunculated or pensile wart, consisting of myomatous or edematous fibrous tissue, often found on the neck or eyelids of elderly persons.
acrocorinth
acronychous
acrophonies
acrophonies
noun
plural of acrophony
actinograph
actinograph
noun
A recording actinometer.
actinophore
actinophore
noun
(biology) A cartilaginous spine that supports the fin rays of fish
actinophrys
adenochrome
adenochrome
noun
A red pigment present in the branchial heart tissue of the octopus
adherescent
aerenchymas
affranchise
affranchise
verb
(transitive) To free from obligation, servitude or service.
afterchance
agonistarch
agonistarch
noun
(Ancient Greece) One who trained persons to compete in public games and contests.
amelanchier
amelanchier
noun
Any tree or shrub in the genus Amelanchier of the pome fruit subtribe Malinae of the family Rosaceae, with edible, blueberry-like fruit.
amenorrheic
amenorrheic
adj
Alternative spelling of amenorrhoeic
amphicrania
amphicrania
noun
(pathology) A headache affecting both sides of the head.
anabranches
anabranches
noun
plural of anabranch
anachronism
anachronism
noun
A chronological mistake; the erroneous dating of an event, circumstance, or object. [from 17th c.]
A person or thing which seems to belong to a different time or period of time. [from 19th c.]
The aberrant projection of the present onto the past.
anachronist
anachronist
noun
A person who has anachronistic views or habits
anachronize
anachronize
verb
To refer to, or put into, a wrong time.
anachronous
anachronous
Adjective
anachronistic
anaphorical
anaphorical
adj
Synonym of anaphoric
anarchistic
anarchistic
adj
Anarchic; chaotic or free-spirited.
Of or relating to anarchism or anarchy.
anchisaurus
anchoresses
anchoresses
noun
plural of anchoress
anchoretish
anchoretism
anchoretism
noun
The practice or mode of life of an anchorite.
anchoritess
anchoritess
noun
A female anchorite; an anchoress.
anchoritish
anchoritism
anchorville
anchorwoman
anchorwoman
noun
(athletics) The most reliable female runner in a relay team, usually the one that runs last.
A female anchorperson.
anchorwomen
anchorwomen
noun
plural of anchorwoman
anchtherium
anemochoric
anemochoric
adj
anemochorous
anhydraemic
antatrophic
antebrachia
antebrachia
noun
plural of antebrachium
antechamber
antechamber
noun
A small room used as an entryway or reception area to a larger room.
anthocerote
anthotropic
anthracemia
anthracenes
anthracenes
noun
plural of anthracene
anthracites
anthracites
noun
plural of anthracite
anthracitic
anthracitic
adj
(geology) Pertaining to, or composed of, anthracite.
anthracnose
anthracnose
noun
(phytopathology) Any of several fungal diseases that affect many plants and trees.
anthracosis
anthracosis
noun
(pneumology, pathology) A relatively mild pneumoconiosis caused by inhalation of coal.
anthracotic
anthracotic
adj
Relating to anthracosis.
anthracoxen
anthranilic
anthranilic
adj
(organic chemistry) Of or pertaining to anthranilic acid or its derivatives
anthropical
anthropical
adj
Alternative form of anthropic
anthroxanic
antichamber
antichamber
noun
Obsolete form of antechamber.
anticheater
antichoicer
antichoicer
noun
Alternative form of anti-choicer.
antichreses
antichreses
noun
plural of antichresis
antichresis
antichresis
noun
(civil law) An agreement by which a debtor gives a creditor the use of real property to be able to pay interest and principal of the debt.
antichretic
antichretic
adj
(civil law) of or relating to an antichresis
antichrists
antichrists
noun
plural of antichrist
anticrochet
antimonarch
antipharmic
antipharmic
adj
(medicine, obsolete) Serving as an antidote.
antithermic
antithermic
adj
Synonym of antipyretic
approaching
approaching
adj
That approaches or approach.
adv
Nearly.
noun
The act of coming closer; an approach.
verb
present participle of approach
arachidonic
arachidonic
adj
Of or pertaining to arachidonic acid or its derivatives.
arachnactis
arachnidial
arachnidial
adj
(anatomy) Relating to the arachnidium.
(zoology) Of or relating to the Arachnida.
arachnidism
arachnidism
noun
The condition of being poisoned as a result of a spider's bite.
arachnidium
arachnoidal
arachnoidal
adj
(anatomy) Pertaining to the arachnoid mater; arachnoid.
arachnoidea
arachnology
arachnology
noun
The study of the Arachnida.
archaeornis
archaicness
archaicness
noun
The quality of being archaic.
archangelic
archangelic
adj
Of, relating to, resembling, or characteristic of archangels.
archbuffoon
archcozener
archdeacons
archdeacons
noun
plural of archdeacon
archdeanery
archdeanery
noun
The headquarters, or jurisdiction of an archdean.
archegonial
archegonial
adj
(botany) Relating to the archegonium.
archegonium
archegonium
noun
(botany) A multicellular reproductive structure that contains a large, non-motile gamete (egg cell), and within which an embryo will develop.
archenemies
archenemies
noun
plural of archenemy
archenteric
archenteric
adj
(anatomy) Of or pertaining to an archenteron.
archenteron
archenteron
noun
(anatomy) A primitive alimentary cavity
archfounder
archicantor
archikaryon
archimedean
archimedean
adj
Alternative letter-case form of Archimedean
archineuron
archmachine
archmonarch
archonships
archonships
noun
plural of archonship
archosyrinx
archpontiff
archpuritan
archvillain
archvillain
noun
(chiefly narratology) A supreme villain; the most evil or powerful villain.
arthrodynic
arthrodynic
adj
Of or relating to arthrodynia.
athericeran
atherogenic
atherogenic
adj
(medicine) that initiates or accelerates atherogenesis
autochanger
autochanger
noun
(computing) An automatic tape loader, for switching automatically between several computer backup tapes.
A device for playing multiple music media of a certain kind (gramophone records, compact discs, etc.) in a predetermined sequence without user intervention.
backbencher
backbencher
noun
(by extension) Someone who does not play an active role in a process.
(education) A student who does not perform well, especially one who sits at the back of the classroom.
(politics) A Member of Parliament who does not have cabinet rank, and who therefore sits on one of the backbenches or in one of the back rows of the legislature.
(sports) A member of a team who does not usually play, but who is held in reserve.
backhanders
backhanders
noun
plural of backhander
batrachians
batrachians
noun
plural of batrachian
beachfronts
beachfronts
noun
plural of beachfront
benchmarked
benchmarked
verb
simple past tense and past participle of benchmark
benchwarmer
benchwarmer
noun
Alternative spelling of bench-warmer
blackhander
blackthorns
blackthorns
noun
plural of blackthorn
blanchester
bleacherman
brachiating
brachiating
adj
That moves by the use of limbs; especially by swinging through the trees using the arms
verb
present participle of brachiate
brachiation
brachiation
noun
(zoology) Movement by swinging the arms from one hold to the next.
brachycrany
brahmanical
brahmanical
Adjective
Of or pertaining to the Brahman
Of or pertaining to the Brahmins or their doctrines or worship.
brahminical
brahminical
adj
Of or relating to brahmins or Brahmanism.
branchiform
branchihyal
branchiness
branchiness
noun
The quality of being branchy.
branchiopod
branchiopod
noun
Any of the very many aquatic crustaceans of the class Branchiopoda, such as the fairy shrimps and water fleas.