GRE Word List

ISOTOPE

any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties

The meaning of the word isotope is any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties.

Random words

WordMeaning
dooma law or ordinance especially in Anglo-Saxon England
concurrentoperating or occurring at the same time
jaundicedaffected with or as if with jaundice
countermandto revoke (a command) by a contrary order
ineffectualnot producing the proper or intended effect : futile
representationalone that represents: such as
volleythe flight of the ball (as in volleyball or tennis) or its course before striking the ground
gyroscopea wheel or disk mounted to spin rapidly about an axis and also free to rotate about one or both of two axes perpendicular to each other and to the axis of spin so that a rotation of one of the two mutually perpendicular axes results from application of torque to the other when the wheel is spinning and so that the entire apparatus offers considerable opposition depending on the angular momentum to any torque that would change the direction of the axis of spin
slighthaving a slim or delicate build : not stout or massive in body
tridenta 3-pronged spear serving in classical mythology as the attribute of a sea god (such as Neptune)