Science / Chemistry / Amphi: A prefix used to name certain members of a series of geometric isomers or stereoisomers.


Science / Geology / Amphibolite: Amphibolite is a non-foliated metamorphic rock that forms through recrystallization under conditions of high viscosity and directed pressure. It is composed primarily of amphibole and plagioclase, usu MORE

Amphiprotic Solvent

Science / Chemistry / Amphiprotic Solvent: Solvents that exhibit both acidic and basic properties; amphiprotic solvents undergo autoprotolysis. Examples are water, ammonia, and ethanol. MORE


Science / Biology / Amphibians: Class of terrestrial vertebrates which lay their eggs (and also mate) in water but live on land as adults following a juvenile stage where they live in water and breathe through gills. Amphibians were MORE


Entertainment / Literature / Amphimacer: A three-syllable foot consisting of a heavy, light, and heavy stress. Poetry written in amphimacers is called cretic meter. Amphimacer is rarely used in English poetry, but it is quite common in Greek MORE


Entertainment / Literature / Amphibrach: In classical poetry, a three-syllable poetic foot consisting of a light stress, heavy stress, and a light stress--short on both ends. Amphibrachs are quite rare in English, but they can be found in sp MORE


Technology / Aviation / Amphibian: A SEAPLANE or FLOATPLANE with retractable wheels for use on land, as well. The latter spelling was used in the '20s and '30s but has since fallen out of favor. MORE