Direct Hits 8 Science And The Social Sciences Flashcards
catalyst
in chemistry, a catalyst is a substance (such as an enzyme) that accelerates the rate of a chemical reaction at some temperature, but without itself being transformed or consumed by the reaction / in everyday usage a catalyst is any agent that provokes or triggers change
caustic
in chemistry, a caustic substance is one that burns or destroys organic tissue by chemical action; hydrofluoric acid and silver nitrate are examples of caustic substances / in everyday usage, a caustic comment is one that hurts or burns
crystallize
in chemistry, crystallization is the process by which crystals are formed / in everyday usage, to crystallize means to give a definite form to an idea or plan
osmosis
in chemistry, osmosis refers to the diffusion of a fluid through a semipermeable membrane until there is an equal concentration of fluid on both sides of the membrane / in everyday usage, osmosis refers to a gradual, often unconscious process of assimilation
sedentary
in ecology, animals that are sedentary remain or live in one area / in everyday usage, sedentary means settled and therefore accustomed to sitting or doing little exercise
virulent
in medical science, virulent refers to a disease or toxin that is extremely infectious, malignant, or poisonous / in everyday usage, virulent refers to language that is bitterly hostile, hateful, and antagonistic
empirical
in science, empirical means originating in or based on direct observation and experience; empirical data can then be used to support or reject a hypothesis / in everyday language, empirical means to be guided by practical experience, not theory
entomology
the scientific study of insects
gestate
in science, gestate means to carry within the uterus from conception to delivery / in everyday language, gestate means to conceive and develop in the mind
paradigm
in science, a paradigm is a framework or model of thought
entrepreneur
a person who organizes and manages a business or enterprise
lucrative
very profitable
extravagant
excessive and therefore lacking restraint
avarice, cupidity
excessive desire for material wealth; greed; covetousness
glut, plethora, surfeit
a surplus or excess of something
destitute, impoverished, indigent
very poor, lacking basic resources
affluent, opulent
very rich, having abundant resources
munificent
very generous
parsimonious
excessively cheap with money; stingy