| CHATTERBOXES | • chatterboxes n. Plural of chatterbox. • CHATTERBOX n. a talkative person. |
| CHEMOTAXISES | • CHEMOTAXIS n. orientation of an animalcule relative to a chemical substance. |
| CYCLOHEXANES | • cyclohexanes n. Plural of cyclohexane. • CYCLOHEXANE n. a pungent saturated cyclic hydrocarbon found in petroleum or made synthetically and used chiefly as a solvent and in organic synthesis. |
| EXOSPHERICAL | • EXOSPHERICAL adj. related to the exosphere, the outermost layer of the earth's atmosphere, also EXOSPHERIC. |
| HETEROAUXINS | • heteroauxins n. Plural of heteroauxin. • HETEROAUXIN n. a natural plant hormone, used esp. for stimulating growth and root formation in plant cutting. |
| HETEROSEXUAL | • heterosexual adj. Sexually attracted to members of the opposite sex. • heterosexual n. A heterosexual person, or other heterosexual organism. • HETEROSEXUAL adj. attracted to the opposite sex. |
| HETEROTAXIAS | • HETEROTAXIA n. the abnormal disposition of organs or parts, also HETEROTAXY. |
| HETEROTAXIES | • HETEROTAXY n. the abnormal disposition of organs or parts, also HETEROTAXIA. |
| HEXAHEMERONS | • HEXAHEMERON n. the (biblical) six days of creation, also HEXAEMERON. |
| HEXAPLOIDIES | • HEXAPLOIDY n. the state of having six times the normal number of chromosomes. |
| HYPEROREXIAS | • HYPEROREXIA n. compulsive overeating. |
| MESOTHORAXES | • mesothoraxes n. Plural of mesothorax. • MESOTHORAX n. the middle segment of the thorax in insects. |
| METATHORAXES | • metathoraxes n. Plural of metathorax. • METATHORAX n. the last or posterior segment of the thorax in insects. |
| OXYCEPHALIES | • oxycephalies n. Plural of oxycephaly. • OXYCEPHALY n. the condition of having a conical skull. |
| XEROGRAPHERS | • xerographers n. Plural of xerographer. • XEROGRAPHER n. one who practises xerography. |
| XEROGRAPHIES | • XEROGRAPHY n. a nonchemical photographic process in which the plate is sensitized electrically and developed by dusting with electrically-charged fine powder. |