| COSMOSPHERES | • cosmospheres n. Plural of cosmosphere. • COSMOSPHERE n. an apparatus for showing the position of the earth at any given time with reference to the fixed stars. |
| HOROSCOPISTS | • horoscopists n. Plural of horoscopist. • HOROSCOPIST n. one who casts horoscopes, an astrologer. |
| HOUSEPERSONS | • housepersons n. Plural of houseperson. • HOUSEPERSON n. a person who does housekeeping. |
| HYPEROSTOSES | • hyperostoses n. Plural of hyperostosis. • HYPEROSTOSIS n. abnormal growth of bone tissue. |
| HYPEROSTOSIS | • hyperostosis n. (Medicine) An excessive growth or thickening of bone. • HYPEROSTOSIS n. abnormal growth of bone tissue. |
| ISOMORPHISMS | • isomorphisms n. Plural of isomorphism. • ISOMORPHISM n. similarity in shape or structure in unrelated forms. |
| PHOSPHORISES | • phosphorises v. Third-person singular simple present indicative form of phosphorise. • PHOSPHORISE v. to combine or impregnate with phosphorus, also PHOSPHORIZE. |
| PHOSPHORISMS | • PHOSPHORISM n. (obsolete) chronic phosphorus poisoning. |
| PHOSPHORUSES | • phosphoruses n. Plural of phosphorus. • PHOSPHORUS n. a chemical element. |
| PHOTORESISTS | • photoresists n. Plural of photoresist. • PHOTORESIST n. an organic material that polymerizes on exposure to ultraviolet light and in that form resists attack by acids and solvents. |
| PHOTOSENSORS | • photosensors n. Plural of photosensor. • PHOTOSENSOR n. a detector that is sensitive to electromagnetic radiation. |
| PROVOSTSHIPS | • provostships n. Plural of provostship. • PROVOSTSHIP n. the office of provost. |
| SHOWSTOPPERS | • showstoppers n. Plural of showstopper. • show-stoppers n. Plural of show-stopper. • show␣stoppers n. Plural of show stopper. |
| SNAPSHOOTERS | • snapshooters n. Plural of snapshooter. • SNAPSHOOTER n. one who takes snapshots. |
| SPONSORSHIPS | • sponsorships n. Plural of sponsorship. • SPONSORSHIP n. support by a sponsor. |
| SUPERSCHOOLS | • superschools n. Plural of superschool. • SUPERSCHOOL n. an exceptional school. |