| CHLOROMETHANE | • chloromethane n. (Organic chemistry) Any chlorinated derivative of methane, but especially CH3Cl (methyl chloride) once… • CHLOROMETHANE n. an organic compound, methyl chloride. |
| HELMINTHOLOGY | • helminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms). • HELMINTHOLOGY n. the study of parasitic worms. |
| HEXAMETHONIUM | • hexamethonium n. (Pharmacology) Synonym of hexamethonium bromide. • HEXAMETHONIUM n. either of two compounds used as ganglionic blocking agents in the treatment of hypertension. |
| HONEYMONTHING | • HONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON. |
| 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. |
| PHOTOMACHINES | • PHOTOMACHINE n. a machine that prints copies of digital photographs. |
| PHYTOHORMONES | • phytohormones n. Plural of phytohormone. • PHYTOHORMONE n. a plant hormone, regulating growth. |
| 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. |