Any microorganism that has lost the ability to synthesize an organic compound required for its growth, usually as a result of mutation
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.
hoaxproof
lepothrix
lophortyx
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
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
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.