| AUXOSPORE | • auxospore n. (Biology) A reproductive spore in diatoms that is formed by the union of two cells. • AUXOSPORE n. a diatom cell before its siliceous wall is formed. |
| AUXOTROPH | • auxotroph n. Any microorganism that has lost the ability to synthesize an organic compound required for its growth… • AUXOTROPH n. an auxotrophic strain or individual, i.e. one requiring a specific growth substance beyond the minimum required for normal metabolism. |
| BOXBOARDS | • boxboards n. Plural of boxboard. • BOXBOARD n. a kind of stiff paperboard. |
| EXORATION | • exoration n. Entreaty. • EXORATION n. (obsolete) entreaty. |
| EXOSPORAL | • exosporal adj. Relating to an exospore. • EXOSPORAL adj. of or like an exospore, the extreme outer layer of a spore. |
| EXOSPORIA | • exosporia n. Plural of exosporium. • EXOSPORIUM n. the outermost layer of spores of certain bacilli. |
| EXOTROPIA | • exotropia n. (Medicine) A form of strabismus in which the eyes deviate outwards. • EXOTROPIA n. a condition in which the eyes turn outwards. |
| ORTHOAXES | • ORTHOAXIS n. in crystallography, the orthodiagonal. |
| ORTHOAXIS | • ORTHOAXIS n. in crystallography, the orthodiagonal. |
| PROTHORAX | • prothorax n. (Entomology) The anterior segment of the insect thorax; it carries the first pair of legs. • PROTHORAX n. the first or anterior segment of the thorax in insects. |
| TAXONOMER | • taxonomer n. One who studies or creates a taxonomy. • TAXONOMER n. a specialist in taxonomy, also TAXONOMIST. |
| TOXOCARAL | • TOXOCARAL adj. related to toxocara. |
| TOXOCARAS | • TOXOCARA n. a kind of parasitic worm found in the intestines of dogs and cats. |
| XEROSTOMA | • xerostoma n. (Obsolete) The condition of having a dry mouth. • XEROSTOMA n. excessive dryness of the mouth due to insufficient secretions, also XEROSTOMIA. |