the arithmetic operation of summing; calculating the sum of two or more numbers; "the summation of four and three gives seven"; "four plus three equals seven"
a concluding summary (as in presenting a case before a law court)
(physiology) the process whereby multiple stimuli can produce a response (in a muscle or nerve or other part) that one stimulus alone does not produce
perceptible by the senses or intellect; "things happen in the earth and sky with no discernible cause"; "the newspaper reports no discernible progress in the negotiations"; "the skyline is easily discernible even at a distance of several miles"
capable of being seen or noticed; "a discernible change in attitude"; "a clearly evident erasure in the manuscript"; "an observable change in behavior"
capable of being perceived clearly; "an essay with a meaning that was not always discernible"
the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge); "the ionization of a gas"
a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person
anything immaterial that severely hinders or confines; "they defected because Russian dance was in a straitjacket"; "the government is operating in an economic straitjacket"
the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more
abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc; "according to his statement he was in London on that day"
a nonverbal message; "a Cadillac makes a statement about who you are"; "his tantrums are a statement of his need for attention"
(music) the presentation of a musical theme; "the initial statement of the sonata"