being definitely out of the ordinary and unexpected; slightly odd or even a bit weird

not known before

relating to or originating in or characteristic of another place or part of the world

an attractor for which the approach to its final point in phase space is chaotic

an elementary particle with non-zero strangeness

a quark with an electric charge of -1/3 and a mass 988 times that of an electron and a strangeness of -1

in a strange manner

unusualness as a consequence of not being well known

(physics) one of the six flavors of quark

the quality of being alien or not native

anyone who does not belong in the environment in which they are found

an individual that one is not acquainted with