colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons; "particles in space exist in the form of a plasma"
a green slightly translucent variety of chalcedony used as a gemstone
the organization of a business according to scientific principles of management in order to increase efficiency
(mathematics) the simplification of an expression or equation by eliminating radicals without changing the value of the expression or the roots of the equation
the cognitive process of making something seem consistent with or based on reason
(psychiatry) a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening
a thin cylindrical pointed writing implement; a rod of marking substance encased in wood
a cosmetic in a long thin stick; designed to be applied to a particular part of the face; "an eyebrow pencil"
a figure formed by a set of straight lines or light rays meeting at a point
graphite (or a similar substance) used in such a way as to be a medium of communication; "the words were scribbled in pencil"; "this artist's favorite medium is pencil"
write, draw, or trace with a pencil; "he penciled a figure"