| ACROGENS | • acrogens n. Plural of acrogen. • ACROGEN n. a cryptogam with a distinct permanent stem; a fern, a moss. |
| AEROGELS | • aerogels n. Plural of aerogel. • AEROGEL n. a highly porous solid. |
| ANDROGEN | • androgen n. (Biochemistry, steroids) Any natural or synthetic compound, usually a steroid hormone, that stimulates… • ANDROGEN n. a male sex hormone. |
| EROGENIC | • erogenic adj. Erogenous. • EROGENIC adj. producing erotic desire or gratification. |
| ESTROGEN | • estrogen n. (Biochemistry, steroids) Any of a group of steroids that are secreted by the ovaries and function as… • ESTROGEN n. a female sex-hormone, also OESTROGEN. |
| FROGEYED | • frogeyed adj. Alternative spelling of frog-eyed. • frog-eyed adj. (Of a person) Having frog-like, bulging eyes. • frog-eyed adj. (Of tobacco used for cigar wrappers) Spotted with whitish specks due to a disease, or produced artificially… |
| FROGEYES | • FROGEYE n. a plant disease. |
| HYDROGEL | • hydrogel n. A colloid gel in which water is the continuous phase; they have a number of medical and industrial applications. • HYDROGEL n. a gel or gelatinous precipitate in which the liquid constituent is water. |
| HYDROGEN | • hydrogen n. The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794. • hydrogen n. Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature. • hydrogen n. A sample of the element/molecule. |
| KEROGENS | • kerogens n. Plural of kerogen. • KEROGEN n. a kind of bitumen found in oil shale. |
| NITROGEN | • nitrogen n. (Uncountable) The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067… • nitrogen n. (Uncountable) Molecular nitrogen (N2), a colorless, odorless gas at room temperature. • nitrogen n. (Countable) A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen. |
| OROGENIC | • orogenic adj. (Geology) Concerned with orogeny; pertaining to the creation of mountains. • OROGENIC adj. relating to the formation of mountains. |
| PIEROGEN | • pierogen n. Pierogis (type of dumpling). • PIEROG n. a large Russian pie, stuffed with meat, fish, eggs, or cabbage, also PEROG, PIROG. |
| PROGERIA | • progeria n. (Pathology) An extremely rare genetic condition wherein symptoms resembling aspects of aging are manifested… • PROGERIA n. a syndrome of children characterized by physical symptoms suggestive of premature senility. |
| PYROGENS | • pyrogens n. Plural of pyrogen. • PYROGEN n. a substance that produces fever. |
| ROGERING | • rogering n. (UK, vulgar slang) An act of sexual intercourse, especially one that is rough. • ROGERING n. the act of rogering. |
| VIROGENE | • virogene n. A gene involved in the development of a virus. • VIROGENE n. a virus-forming gene. |