| AUTOCHTHONISM | • autochthonism n. The state of being autochthonal. • AUTOCHTHONISM n. the condition of being autochthonous. |
| HYPOGNATHISMS | • HYPOGNATHISM n. the state of being hypognathous. |
| LIGHTHOUSEMAN | • lighthouseman n. The keeper of a lighthouse. • LIGHTHOUSEMAN n. one who keeps a lighthouse. |
| LIGHTHOUSEMEN | • lighthousemen n. Plural of lighthouseman. • LIGHTHOUSEMAN n. one who keeps a lighthouse. |
| METHYLPHENOLS | • METHYLPHENOL n. a type of aromatic organic compound, aka cresol. |
| MONOPHOSPHATE | • monophosphate n. (Chemistry) any compound containing a single phosphate unit. • MONOPHOSPHATE n. an ester of phosphoric acid. |
| NYCHTHEMERONS | • nychthemerons n. Plural of nychthemeron. • NYCHTHEMERON n. (Greek) a full period of a day and night. |
| ORNITHOMORPHS | • ornithomorphs n. Plural of ornithomorph. • ORNITHOMORPH n. a figure or design in the form of a bird. |
| ORTHOGNATHISM | • orthognathism n. (Anatomy) The quality of being orthognathous. • ORTHOGNATHISM n. the state of having straight jaws. |
| PHOTOMACHINES | • PHOTOMACHINE n. a machine that prints copies of digital photographs. |
| PHYTOHORMONES | • phytohormones n. Plural of phytohormone. • PHYTOHORMONE n. a plant hormone, regulating growth. |
| PYTHONOMORPHS | • pythonomorphs n. Plural of pythonomorph. • PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs. |
| RHYTHMISATION | • rhythmisation n. Alternative form of rhythmization. • RHYTHMISATION n. the process of rhythmising, also RHYTHMIZATION. |
| THEANTHROPISM | • theanthropism n. A state of being God and man. • theanthropism n. The ascription of human attributes to a deity. • THEANTHROPISM n. the belief in the union of the divine and human. |
| THERMOSIPHONS | • thermosiphons n. Plural of thermosiphon. • THERMOSIPHON n. a method of circulating a cooling liquid through a system by using the slight difference in density between the hot and cool parts. |
| TROCHELMINTHS | • trochelminths n. Plural of trochelminth. • TROCHELMINTH n. any invertebrate of the former taxonomic group Trochelminthes, which included the rotifers and gastrotrichs. |
| WITHHOLDMENTS | • withholdments n. Plural of withholdment. • WITHHOLDMENT n. the act of withholding. |
| XANTHOCHROISM | • xanthochroism n. Alternative form of xanthochromism. • XANTHOCHROISM n. a condition in which all skin pigments except yellow disappear. |