| EXOSPORIUM | • exosporium n. (Botany) The outer layer of a pollen grain or spore; the exine. • EXOSPORIUM n. the outermost layer of spores of certain bacilli. |
| EXOTROPIAS | • exotropias n. Plural of exotropia. • EXOTROPIA n. a condition in which the eyes turn outwards. |
| EXPOSITORS | • expositors n. Plural of expositor. • EXPOSITOR n. one who, or that which, exposits. |
| EXPOSITORY | • expository adj. Serving to explain, explicate, or elucidate; expositive; of or relating to exposition. • EXPOSITORY adj. pertaining to, or containing, exposition. |
| PEROXISOME | • peroxisome n. (Cytology) An intracellular organelle found in all eukaryotes (except Archezoa) which is the source… • PEROXISOME n. an organelle containing enzymes. |
| PICROTOXIN | • picrotoxin n. (Organic chemistry) A poisonous material, extracted from the seeds of plants of species Anamirta cocculus… • PICROTOXIN n. a bitter toxin obtained from the seeds of the shrub Anamirta cocculus. |
| PROLIXIOUS | • prolixious adj. (Obsolete) dilatory; tedious; superfluous. • PROLIXIOUS adj. (Shakespeare) dilatory; tedious; superfluous. |
| PROTOXIDES | • protoxides n. Plural of protoxide. • PROTOXIDE n. that one of a series of oxides having the lowest proportion of oxygen, also PROTOXID. |
| PYROXENOID | • pyroxenoid n. (Mineralogy) any of a large group of minerals physically resembling pyroxene. • PYROXENOID n. a mineral like pyroxene, a common mineral occurring in monoclinic crystals. |
| THIXOTROPE | • THIXOTROPE n. a thixotropic substance. |
| THIXOTROPY | • thixotropy n. (Physics) The reduction of viscosity with increased shear. • thixotropy n. (Medicine) The property of certain gels whereby they become fluids when agitated and return to being… • THIXOTROPY n. the property of certain gels of becoming fluid when agitated and of reverting back to a gel when left to stand. |
| TROPOTAXIS | • tropotaxis n. (Biology) Movement by organisms with paired receptor cells, triggered when the stimuli at the receptors… • TROPOTAXIS n. a taxis in which an organism orients itself by the simultaneous comparison of stimuli of different intensity operating on different end organs. |
| XENOTROPIC | • xenotropic adj. (Biology) Describing a virus growing in tissue of an organism other than its normal host. • XENOTROPIC adj. reproducing or replicating only in cells other than those of the host species. |