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131inflation — /in flay sheuhn/, n. 1. Econ. a persistent, substantial rise in the general level of prices related to an increase in the volume of money and resulting in the loss of value of currency (opposed to deflation). 2. the act of inflating. 3. the state …
132optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
