| AUXOMETERS | • auxometers n. Plural of auxometer. • AUXOMETER n. an instrument for measuring magnifying power. |
| 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. |
| EXTEMPORES | • extempores n. Plural of extempore. • ex␣tempores n. Plural of ex tempore. • EXTEMPORE n. (Latin) an impromptu speech etc. |
| HEXAMEROUS | • hexamerous adj. (Botany) In six parts; occurring in sixes. • HEXAMEROUS adj. having six parts. |
| LOXODROMES | • loxodromes n. Plural of loxodrome. • LOXODROME n. a line on the globe equally oblique to all meridians. |
| MESOTHORAX | • mesothorax n. (Entomology) The middle of the three segments of the thorax of an insect, carrying the second pair of… • MESOTHORAX n. the middle segment of the thorax in insects. |
| MICROLUXES | • microluxes n. Plural of microlux. • MICROLUX n. a unit of illumination. |
| OXIMETRIES | • OXIMETRY n. measurement with an oximeter, a photoelectric instrument for measuring the oxygen saturation of the blood. |
| PEROXISOME | • peroxisome n. (Cytology) An intracellular organelle found in all eukaryotes (except Archezoa) which is the source… • PEROXISOME n. an organelle containing enzymes. |
| SCRUMPOXES | • SCRUMPOX n. (slang) rugby slang for impetigo spread by players' faces rubbing together in the scrum. |
| TAXONOMERS | • taxonomers n. Plural of taxonomer. • TAXONOMER n. a specialist in taxonomy, also TAXONOMIST. |
| XERODERMAS | • xerodermas n. Plural of xeroderma. • XERODERMA n. morbid dryness of skin, ichthyosis, also XERODERMIA. |
| XEROMORPHS | • xeromorphs n. Plural of xeromorph. • XEROMORPH n. a plant thriving in desert conditions, a xerophyte. |
| XEROSTOMAS | • XEROSTOMA n. excessive dryness of the mouth due to insufficient secretions, also XEROSTOMIA. |
| XEROSTOMIA | • xerostomia n. (Medicine) Abnormal dryness of the mouth. • XEROSTOMIA n. excessive dryness of the mouth due to insufficient secretions, also XEROSTOMA. |
| XYLOMETERS | • xylometers n. Plural of xylometer. • XYLOMETER n. an instrument for measuring the specific gravity of wood. |