any elementary particle with a strangeness quantum number other than zero.
Any of various unstable elementary particles, having a short half-life and a nonzero strangeness quantum number. Sigma and xi baryons, for example, are strange particles.
noun, Physics. 1. a quark having electric charge −1/3 times the elementary charge and strangeness −1; it is more massive than the up and down quarks. strange quark A quark with an electric charge of -1/3 and a mass of 391 electron masses, greater than that of the up quark and down quark, but smaller […]
noun 1. a person with whom one has had no personal acquaintance: He is a perfect stranger to me. 2. a newcomer in a place or locality: a stranger in town. 3. an outsider: They want no strangers in on the club meetings. 4. a person who is unacquainted with or unaccustomed to something (usually […]
noun 1. sexual assault by an assailant upon a person he or she does not know.
adjective, stranger, strangest. 1. unusual, extraordinary, or curious; odd; queer: a strange remark to make. 2. estranged, alienated, etc., as a result of being out of one’s natural environment: In Bombay I felt strange. 3. situated, belonging, or coming from outside of one’s own locality; foreign: to move to a strange place; strange religions. 4. […]