The lancelet, particularly of the genus Branchiostoma.
anthotaxy
anthotaxy
noun
(botany) The arrangement of flowers in a cluster; the science of the relative position of flowers.
anthroxan
aphotaxis
auxograph
auxotroph
auxotroph
noun
Any microorganism that has lost the ability to synthesize an organic compound required for its growth, usually as a result of mutation
boxfishes
boxfishes
noun
plural of boxfish
boxhauled
boxhauled
verb
simple past tense and past participle of boxhaul
boxholder
boxholder
noun
A renter of a post office box.
An owner of a box in a theatre/theater, stadium, etc.
boxthorns
boxthorns
noun
plural of boxthorn
boxwallah
boxwallah
noun
(India, historical) An Indian pedlar who sold goods from a box or trunk.
calothrix
cashboxes
cashboxes
noun
plural of cashbox
cathexion
cathexion
noun
cathexis
cheesebox
cheesebox
noun
A box for holding cheese
chemotaxy
chronaxia
chronaxie
chronaxie
noun
The minimum time over which an electric current must be applied in order to stimulate a muscle fiber or nerve cell.
dihydroxy
dihydroxy
adj
(chemistry) containing two hydroxy functional groups
dimethoxy
dimethoxy
noun
(organic chemistry, especially in combination) Two methoxy groups in a molecule
endothrix
endothrix
noun
A dermatophyte infection of the hair that invades the hairshaft and internalizes into the hair cell.
exhibitor
exhibitor
noun
Someone who exhibits something.
Someone who organizes an exhibition.
exhorters
exhorters
noun
plural of exhorter
exhorting
exhorting
noun
exhortation
verb
present participle of exhort
exhumator
exhumator
noun
One who exhumes or disinters.
exochorda
exopathic
exophasia
exophasia
noun
Audible speech.
exophasic
exophoria
exophoria
noun
(ophthalmology) A form of heterophoria in which there is a tendency of the eyes to deviate outward.
exophoric
exophoric
adj
(linguistics) Relating to, or exhibiting, exophora.
Relating to, or afflicted with, exophoria.
noun
A person who has exophoria.
exorhason
exosphere
exosphere
noun
an extremely thin atmosphere, as on Saturn's moon Dione
the uppermost layer of a planet's atmosphere
exothecal
exothecal
adj
Relating to the exotheca.
exstrophy
exstrophy
noun
(anatomy) The eversion or turning out of any organ, or of its inner surface.
(especially) A congenital malformation of the bladder in which the normally internal mucosa of the organ lies exposed on the abdominal wall because of failure of union between the halves of the pubic symphysis and between the adjacent halves of the abdominal wall.
foxfishes
foxhounds
foxhounds
noun
plural of foxhound
haloxylin
hellboxes
hellboxes
noun
plural of hellbox
hematoxic
hematoxic
adj
Misspelling of hemotoxic.
hemopexis
hemotoxic
hemotoxic
adj
Exhibiting hemotoxicity.
hemotoxin
hemotoxin
noun
(chiefly cytology) Any toxin that destroys red blood cells
heptoxide
heptoxide
noun
(chemistry) any oxide containing seven oxygen atoms in each molecule
heterodox
heterodox
adj
Of or pertaining to creeds, beliefs, or teachings, especially religious ones, that are different from orthodoxy, or the norm, but not sufficiently different to be called heretical.
heterosex
heterosex
noun
(sexuality) Heterosexual sex.
verb
(sociology, transitive) To make heterosexual.
hexabiose
hexachord
hexachord
noun
(music) A series of six tones denoted with the syllables ut-re-mi-fa-sol-la separated by seconds, the only of which that is a minor second being mi-fa.
hexacolic
hexagonal
hexagonal
adj
(crystallography) Having three equal axes which cross at 60° angles, and an unequal axis which crosses the others at 90° angle.
(geometry) Having six edges, or having a cross-section in the form of a hexagon.
hexameron
hexameron
noun
(literature) A treatise concerning the biblical creation story.
(theology) The narrative in the Book of Genesis describing the events of the hexameron.
(theology) The six days in which God created the world according to the biblical creation story.
hexammino
hexaploid
hexaploid
adj
Having six complete sets of chromosomes in a single cell
noun
A cell or organism that has six complete sets of chromosomes
hexapodal
hexapodal
adj
Having six legs.
hexapodan
hexapodic
hexathlon
hexathlon
noun
(athletics) An athletic contest comprising six events.
hexatomic
hexatomic
adj
(chemistry) Having six atoms in each molecule
hexestrol
hexestrol
noun
(pharmacology) A synthetic non-steroidal estrogen of the stilbestrol group, formerly used to treat estrogen deficiency.
hexiology
hexiology
noun
(obsolete) The science dealing with the relations of living creatures to other organisms, and to their surrounding conditions generally.
hexobiose
hexoylene
hoaxproof
homaxonic
homotaxia
homotaxic
homotaxic
adj
Of, pertaining to, or exhibiting homotaxis.
homotaxis
homotaxis
noun
(biology) similarity in arrangement of parts
(geology) similarity in the lithostratigraphic or biostratigraphic vertical sequence of rock strata in different locations that are not necessarily similar in age.
hydroxide
hydroxide
noun
(chemistry) An univalent anion (OH⁻) based on the hydroxyl functional group.
Any substance containing such an anion.
hydroxyls
hydroxyls
noun
plural of hydroxyl
hypotaxia
hypotaxic
hypotaxis
hypotaxis
noun
(grammar) Syntactic subordination of one clause or construction to another.
hypotoxic
hypotoxic
adj
Less than usually toxic
hypoxemia
hypoxemia
noun
(medicine) An abnormal deficiency in the concentration of oxygen in the blood, be it the partial pressure of oxygen (mm Hg), the content of oxygen (ml oxygen per dl of blood) or the per cent saturation of the blood's hemoglobin, singly or in combination.
hypoxemic
hypoxemic
adj
Relating to, or afflicted with, hypoxemia.
hypoxylon
lagothrix
leiothrix
leiothrix
noun
Either of two babblers of the genus Leiothrix within the family Leiothrichidae.
lepothrix
lithoxyle
lophortyx
methoxide
methoxide
noun
(chemistry) Any salt of this anion.
(chemistry) The anion CH₃O⁻ derived from methanol by the loss of a proton.
myxophyta
myxorrhea
myxorrhea
noun
Excessive secretion of mucus
myxotheca
neohexane
orthoaxis
orthodoxy
orthodoxy
noun
Conformity to established and accepted beliefs (usually of religions).
Correctness in doctrine and belief.
oxmanship
oxybaphon
oxybaphus
oxyhalide
oxyhalide
noun
(inorganic chemistry) Any anion (and corresponding salt) in which a central atom is bonded to both oxygen and a halogen
oxyhaloid
oxyhydric
oxyphenol
oxyphenol
noun
(chemistry) A phenol produced by the distillation of catechin; oxyphenic acid or pyrocatechin.
oxyphenyl
oxyphiles
oxyphilic
oxyphilic
adj
Having an affinity for oxygen.
oxyphonia
oxyphonia
noun
(medicine) shrillness or high pitch of the voice
oxyrhynch
oxytricha
phenoxide
phenoxide
noun
(chemistry) any metallic salt of a phenol
phoenixes
phoenixes
noun
plural of phoenix
verb
Third-person singular simple present indicative form of phoenix
phonoplex
phototaxy
phototaxy
noun
phototaxis
pompholix
pompholix
noun
Alternative form of pompholyx
pompholyx
pompholyx
noun
(chemistry, obsolete) impure zinc oxide
(medicine) dyshidrosis
prothorax
prothorax
noun
(entomology) The anterior segment of the insect thorax; it carries the first pair of legs
proxyship
proxyship
noun
The office or agency of a proxy.
pyothorax
pyothorax
noun
pleural empyema; an accumulation of pus in the pleural cavity
rheotaxis
rheotaxis
noun
(biology) movement in response to a current (of water or air)
rhizotaxy
rhizotaxy
noun
Alternative form of rhizotaxis
roxburghe
saxophone
saxophone
noun
A single-reed instrument musical instrument of the woodwind family, usually made of brass and with a distinctive loop bringing the bell upwards.
schizaxon
shadowbox
shadowbox
noun
A box with a light inside used for reading X-ray images.
A diorama or shallow display case, usually with a glass front.
A rectangular display area that is set off with a frame or drop shadow.
A shade that surrounds a lit display or screen to make it easier to read in bright environments.
verb
(boxing, martial arts) To practice moves without an actual opponent, often in front of a mirror.
(figuratively) Argue with an imaginary enemy.
He was shadowboxing to keep fit and practice before the big fight.
To display in a shadowbox.
To engage in evasive maneuvers; to avoid addressing something directly.
sulphoxid
thermofax
thibodaux
thibodaux
Proper noun
a city in Louisiana, USA, and the parish seat of It was named after
thiothrix
thriftbox
thyroxine
thyroxine
noun
(biochemistry) A hormone (an iodine derivative of tyrosine), produced by the thyroid gland, that regulates cell metabolism and growth.
thyroxins
thyroxins
noun
plural of thyroxin
toxaphene
toxaphene
noun
An acaricide and insecticide that is a mixture of chlorinated camphenes, now considered a persistent organic pollutant.
toxihemia
toxiphagi
toxophile
toxophile
adj
Alternative spelling of toxophil
toxophily
toxophily
noun
The love of, or an addiction to, archery
xanthione
xanthione
noun
(organic chemistry) The thione analog of xanthine, 9H-xanthene-9-thione
xanthogen
xanthogen
noun
(chemistry, dated) Formerly, a hypothetical radical supposed to be characteristic of xanthic acid.
xanthomas
xanthomas
noun
plural of xanthoma
xanthones
xanthones
noun
plural of xanthone
xanthopia
xanthopia
noun
A visual disorder in which things appear yellowish.
xanthosis
xanthosis
noun
(alchemy) Synonym of citrinitas
(pathology) A yellowish discolouration of tissues undergoing degeneration.
xanthotic
xanthotic
adj
Exhibiting or relating to xanthosis.
xanthoura
xenodochy
xenodochy
noun
Reception of strangers; hospitality.
xenoliths
xenoliths
noun
plural of xenolith
xenophile
xenophile
adj
one who loves strangers or foreigners or foreign cultures
noun
A person who has a love of foreign people and culture.
A person with an interest in celebrating people's differences.
xenophobe
xenophobe
adj
one who fears or hates strangers or foreigners
noun
One who hates or fears strangers or foreigners.
xenophoby
xenophoby
noun
Dated form of xenophobia.
xenophora
xenophora
noun
(biology) Any mollusk of the genus Xenophora.
xeromorph
xeromorph
noun
any plant, with xeromorphic leaves, that is adapted to a dry atmosphere; a xerophyte
xerophagy
xerophagy
noun
A restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.
xerophile
xerophile
noun
Any xerophilic organism.
xerophily
xerophily
noun
Quality of being xerophilic.
xerophyte
xerophyte
noun
(botany) Any plant suited for life in a habitat where water is scarce, such as in a desert or chaparral. Such plants may be succulent, have small or reduced leaves, or spines.
A desert plant
xerotherm
xerotherm
noun
Any xerothermic organism.
xiphoidal
xiphoidal
adj
xiphoid; sword-shaped
xiphosura
xiphosure
xiphosure
noun
One of the Xiphosura, such as a horseshoe crab.
xylograph
xylograph
noun
A print taken from such an engraving.
An engraving in wood or woodcut, especially one used in printing predating the Western tradition (14th c.).
verb
(transitive) To make a print from an engraving in wood.
xylophaga
xylophage
xylophage
noun
(biology) Any living organism that feeds on wood.
xylophone
xylophone
noun
(music) Any musical instrument (percussion idiophone) made of wooden slats graduated so as to make the sounds of the scale when struck with a small drumstick-like mallet; the standard Western concert xylophone or one of its derivatives.
verb
To move above a ridged surface so as to hit every ridge, in a manner similar to playing quickly and sequentially on a xylophone.
To play a xylophone or to play something else as though it was a xylophone.