plasma

Definition

• n. the colorless watery fluid of the blood and lymph that contains no cells, but in which the blood cells (erythrocytes, leukocytes, and thrombocytes) are suspended
• n. a green slightly translucent variety of chalcedony used as a gemstone
• n. (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

Word forms

Plural

plasmas

Example sentences

1. n.

   The doctor took a sample of plasma to check for any infections.

2. n.

   Scientists are studying plasma to understand its properties better.