| ADIATHERMANCIES | • ADIATHERMANCY n. impermeability to radiant energy. |
| AEROELASTICIANS | • aeroelasticians n. Plural of aeroelastician. • AEROELASTICIAN n. a person who studies flutter and vibration in high-speed aircraft. |
| ARCHAEOBOTANIES | • ARCHAEOBOTANY n. the analysis and interpretation of plant remains found at archaeological sites, also ARCHEOBOTANY. |
| HAPHAZARDNESSES | • HAPHAZARDNESS n. HAPHAZARD, marked by lack of plan, order, or direction. |
| HYPERNATRAEMIAS | • hypernatraemias n. Plural of hypernatraemia. • HYPERNATRAEMIA n. an abnormally high concentration of sodium chloride (salt) in the blood, esp. in infants. |
| INTERPHALANGEAL | • interphalangeal adj. Between phalanges, as with an interphalangeal joint. • interphalangeal n. Any such bone. • INTERPHALANGEAL adj. between the phalanges, the bones of a digit. |
| LACTOVEGETARIAN | • lactovegetarian n. A person whose diet excludes meat and eggs, but includes dairy products. • lactovegetarian adj. Excluding meat and eggs, but including dairy products. • LACTOVEGETARIAN n. a vegetarian whose diet includes milk and other dairy products. |
| MACRENCEPHALIAS | • MACRENCEPHALIA n. the condition of having an abnormally large brain, also MACRENCEPHALY, MACROCEPHALIA. |
| METACINNABARITE | • metacinnabarite n. (Mineralogy) sulphide of mercury in a black isometric form. • METACINNABARITE n. the black solid form of mercuric sulphide. |
| OVEREXTRAVAGANT | • overextravagant adj. Too extravagant. • OVEREXTRAVAGANT adj. excessively extravagant. |
| PARAGENETICALLY | • paragenetically adv. In terms of paragenesis. • PARAGENETIC adv. relating to paragenesis. |
| PREACQUAINTANCE | • preacquaintance n. Previous acquaintance or knowledge. • PREACQUAINTANCE n. acquaintance made in advance. |
| REACQUAINTANCES | • reacquaintances n. Plural of reacquaintance. • REACQUAINTANCE n. a new acquaintance. |
| SACRAMENTALNESS | • sacramentalness n. Sacramentality. • SACRAMENTALNESS n. the state of being sacramental. |
| SARRACENIACEOUS | • sarraceniaceous adj. (Botany) Belonging to the Sarraceniaceae. • SARRACENIACEOUS adj. belonging to the Sarraceniaceae, pitcher-plants. |
| SEPTUAGENARIANS | • septuagenarians n. Plural of septuagenarian. • SEPTUAGENARIAN n. a person whose age is in the seventies. |
| TETRABRANCHIATE | • tetrabranchiate adj. (Zoology) Of or relating to the Tetrabranchiata; having four gills. • tetrabranchiate n. (Zoology) Any of the Tetrabranchiata. • TETRABRANCHIATE n. any mollusc belonging to the Tetrabranchia, with four gills. |
| UNASCERTAINABLE | • unascertainable adj. That cannot be ascertained; uncertain, unable to be determined or discovered. • UNASCERTAINABLE adj. not ascertainable. |
| WARRANTABLENESS | • warrantableness n. The quality of being warrantable. • WARRANTABLENESS n. the state of being warrantable. |