The lancelet, particularly of the genus Branchiostoma.
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
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.
exosphere
exosphere
noun
an extremely thin atmosphere, as on Saturn's moon Dione
the uppermost layer of a planet's atmosphere
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.
hemopexis
heptoxide
heptoxide
noun
(chemistry) any oxide containing seven oxygen atoms in each molecule
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
hoaxproof
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
lepothrix
lophortyx
myxophyta
oxmanship
oxybaphon
oxybaphus
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
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
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.
sulphoxid
toxaphene
toxaphene
noun
An acaricide and insecticide that is a mixture of chlorinated camphenes, now considered a persistent organic pollutant.
toxiphagi
toxophile
toxophile
adj
Alternative spelling of toxophil
toxophily
toxophily
noun
The love of, or an addiction to, archery
xanthopia
xanthopia
noun
A visual disorder in which things appear yellowish.
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
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.