| AUXOCHROME | • auxochrome n. (Obsolete, chemistry) any atom or group which, when added to a chromophore, causes a bathochromic shift… • AUXOCHROME n. a group of atoms that can be attached to a chromogen to convert it into a dye. |
| AXONOMETRY | • axonometry n. Axonometric projection. • AXONOMETRY n. the branch of crystallography concerned with measurement of the axes of crystals. |
| 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. |
| LOXODROMES | • loxodromes n. Plural of loxodrome. • LOXODROME n. a line on the globe equally oblique to all meridians. |
| LOXODROMIC | • loxodromic adj. (Nautical) Pertaining to motion at a constant angle to the meridians; on a set compass bearing. • LOXODROMIC adj. pertaining to sailing on rhumb lines; as, loxodromic tables, also LOXODROMICAL. |
| 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. |
| OXYMORONIC | • oxymoronic adj. Of or pertaining to an oxymoron. • OXYMORONIC adj. of or like an oxymoron, an apparent paradox achieved by the juxtaposition of words which seem to contradict one another. |
| PEROXISOME | • peroxisome n. (Cytology) An intracellular organelle found in all eukaryotes (except Archezoa) which is the source… • PEROXISOME n. an organelle containing enzymes. |
| PROTOXYLEM | • protoxylem n. The first xylem to form in a plant. • PROTOXYLEM n. the first part of the xylem to be formed. |
| TAXONOMERS | • taxonomers n. Plural of taxonomer. • TAXONOMER n. a specialist in taxonomy, also TAXONOMIST. |
| 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. |
| XYLOCHROME | • xylochrome n. (Archaic) A kind of dye derived from the tannin in wood. • XYLOCHROME n. a mixture of substances to which the colour of heartwood is due. |