Impulse — Im pulse, n. [L. impulsus, fr. impellere. See {Impel}.] [1913 Webster] 1. The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately. [1913 Webster] All… … The Collaborative International Dictionary of English
Action — Ac tion, n. [OF. action, L. actio, fr. agere to do. See {Act}.] 1. A process or condition of acting or moving, as opposed to rest; the doing of something; exertion of power or force, as when one body acts on another; the effect of power exerted… … The Collaborative International Dictionary of English
impulse — [im′puls΄] n. [L impulsus < pp. of impellere: see IMPEL] 1. a) an impelling, or driving forward with sudden force b) an impelling force; sudden, driving force; push; thrust; impetus c) the motion or effect caused by such a force 2 … English World dictionary
Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… … Wikipedia
impulse — /im puls/, n. 1. the influence of a particular feeling, mental state, etc.: to act under a generous impulse; to strike out at someone from an angry impulse. 2. sudden, involuntary inclination prompting to action: to be swayed by impulse. 3. an… … Universalium
impulse — /ˈɪmpʌls / (say impuls) noun 1. the inciting influence of a particular feeling, mental state, etc.: to act under the impulse of pity. 2. sudden, involuntary inclination prompting to action, or a particular instance of it: to be swayed by impulse …
impulse — im•pulse [[t]ˈɪm pʌls[/t]] n. 1) the influence of a particular feeling, mental state, etc.: a generous impulse[/ex] 2) sudden, involuntary inclination prompting to action: swayed by impulse[/ex] 3) an instance of this: an impulse to cry[/ex] 4)… … From formal English to slang
Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… … Wikipedia
time perception — Introduction experience or awareness of the passage of time. The human experience of change is complex. One primary element clearly is that of a succession of events, but distinguishable events are separated by more or less lengthy… … Universalium
time — 1. That relation of events which is expressed by the terms past, present, and future, and measured by units such as minutes, hours, days, months, or years. 2. A certain period during which something definite or determined is done. SYN: tempus (2) … Medical dictionary
impulse — I. transitive verb (impulsed; impulsing) Date: 1611 to give an impulse to II. noun Etymology: Latin impulsus, from impellere to impel Date: 1647 1. a. inspiration, motivation … New Collegiate Dictionary