A set of statements or principles devised to explain a group of facts or phenomena, especially one that has been repeatedly tested or is widely accepted and can be used to make predictions about natural phenomena, An assumption based on limited information or knowledge; a conjecture, A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation

A message communicated by such means, Electronics An impulse or fluctuating quantity, as of electrical voltage or light intensity, whose variations represent coded information, The sound, image, or message transmitted or received by means of telecommunications, adjective_ Notably out of the ordinary, bureau of the government (in the United States connected with the War Department) organized to collect from the whole country simultaneous raports of local meteorological conditions, upon comparison of which at the central office, predictions concerning the weather are telegraphed to various sections, where they are made known by signals publicly displayed, the place where a signal is displayed; specifically, an observation office of the signal service, verb_ communicate silently and non-verbally by signals or signs, be a signal for or a symptom of, transitive verb_ To communicate by signals, To notify by a signals; to make a signal or signals to, intransitive verb_ To cause an effect in (a cell) by the release of a chemical, such as a neurotransmitter or hormone, To make a signal to, To relate or make known by signals

Water condensed from atmospheric vapor and falling in drops, (Meteorol.) a dark band in the yellow portion of the solar spectrum near the sodium line, caused by the presence of watery vapor in the atmosphere, and hence sometimes used in weather predictions, Condensed water falling from a cloud, verb_ precipitate as rain, transitive verb_ To bestow in a profuse or abundant manner, To pour or shower down from above, like rain from the clouds, intransitive verb_ To fall in drops from the clouds, as water; -- used mostly with it for a nominative, To release rain, To give abundantly; shower

Plural form of prediction