| ADIATHERMANCY | • adiathermancy n. (Obsolete) A resistance to the flow of heat. • ADIATHERMANCY n. impermeability to radiant energy. |
| AERODYNAMICAL | • aerodynamical adj. Synonym of aerodynamic. • AERODYNAMICAL adj. relating to aerodynamics, also AERODYNAMIC. |
| ANTIAPARTHEID | • antiapartheid adj. Acting against or opposing apartheid. • ANTIAPARTHEID adj. opposed to apartheid. |
| ANTIDIARRHEAL | • antidiarrheal adj. Preventing or treating diarrhea. • antidiarrheal n. A substance or drug having such capabilities. • ANTIDIARRHEAL n. a drug used to counter diarrhea. |
| CHATEAUBRIAND | • chateaubriand n. A thick, juicy cut from the center of a beef tenderloin. • châteaubriand n. Alternative spelling of chateaubriand. • CHATEAUBRIAND n. a large tenderloin steak usually grilled or broiled and served with a sauce. |
| DISAPPEARANCE | • disappearance n. The action of disappearing or vanishing. • DISAPPEARANCE n. the act of disappearing. |
| HAPHAZARDRIES | • haphazardries n. Plural of haphazardry. • HAPHAZARDRY n. the quality of being haphazard. |
| LAMPADEPHORIA | • LAMPADEPHORIA n. a foot race with lighted torches, esp. a relay race in which torch is passed on, also LAMPADEDROMY. |
| LANDGRAVIATES | • landgraviates n. Plural of landgraviate. • LANDGRAVIATE n. the jurisdiction or position of a landgrave, also LANDGRAVATE. |
| MEGALOCARDIAS | • MEGALOCARDIA n. the condition of having an enlarged heart. |
| PAEDIATRICIAN | • paediatrician n. Alternative spelling of pediatrician. • pædiatrician n. Alternative spelling of pediatrician. • PAEDIATRICIAN n. a specialist in children's ailments. |
| PREADAPTATION | • preadaptation n. (Biology) An adaptation that evolved in an ancestral population, in which it served a different function. • PREADAPTATION n. a character of an organism or taxonomic group that takes on a function when none previously existed or that differs from its existing function which has been derived by evolution. |
| QUADRAGESIMAL | • quadragesimal adj. That lasts forty days. • quadragesimal adj. Belonging to Lent; used in Lent; Lenten. • quadragesimal adj. (Mathematics) Of, related to, or based on the number forty. |
| QUADRAPLEGIAS | • QUADRAPLEGIA n. paralysis of both arms and both legs, also QUADRIPLEGIA, TETRAPLEGIA. |
| QUADRILATERAL | • quadrilateral n. A polygon with four sides. • quadrilateral n. An area defended by four fortresses supporting each other. • quadrilateral adj. Having four sides. |
| RADIOACTIVATE | • radioactivate v. To make something radioactive. • RADIOACTIVATE v. to activate by radio. |
| READAPTATIONS | • readaptations n. Plural of readaptation. • READAPTATION n. the act of readapting. |
| RHADAMANTHINE | • Rhadamanthine adj. Strictly and uncompromisingly just. • Rhadamanthine adj. Inflexibly rigorous or severe. • RHADAMANTHINE adj. strictly and inflexibly honest and just. |
| SQUANDERMANIA | • squandermania n. Excessive expenditure by a government on a supposedly prestigious project. • SQUANDERMANIA n. irrational propensity for spending money wastefully. |
| TRADESCANTIAS | • tradescantias n. Plural of tradescantia. • TRADESCANTIA n. any plant of the American Tradescantia genus, with attractive, often variegated foliage, aka spiderwort. |