plasma
This term evokes a state of transition or a medium of transport. In a biological sense, it is the vital river that carries nutrients and waste, acting as the supportive matrix for the blood's active cells. In physics, it represents the fourth state of matter, suggesting extreme energy and volatility. It describes a chaotic yet structured environment where electrons are stripped away, creating a highly conductive and luminous substance typical of cosmic phenomena.
Uncountable when discussing the substance in general, such as plasma in a star. Countable when referring to specific units or types of plasma, such as a plasma donation or different plasma states.
Meanings
A colorless fluid part of blood in which corpuscles or suspended particles are carried.
"The doctor ordered a plasma volume test."
An ionized gas consisting of positive ions and free electrons, found in stars and neon signs.
"The aurora borealis is caused by plasma in the upper atmosphere."
Examples
The patient received a transfusion of plasma to treat the clotting disorder.
The sun is a massive sphere of glowing plasma.
Collocations & Compounds
blood plasma
Noun collocation: the colorless fluid part of blood
The clinic collects blood plasma for medical treatments.
plasma volume
Noun collocation: the total amount of plasma in the body
Dehydration can lead to a decrease in plasma volume.
solar plasma
Noun collocation: the ionized gas that makes up stars
Solar plasma eruptions can interfere with satellite communications.
plasma torch
Noun collocation: a tool that uses ionized gas to cut metal
The technician used a plasma torch to slice through the steel beam.
plasma screen
Noun collocation: a display panel using ionized gas
The living room features a large plasma screen for movies.
Etymology
Derived from the Greek word "plasma," meaning something molded or formed, from the root "plassein" meaning to mold. In biology, it was adopted to describe the fluid medium of blood, while in physics, it describes the fourth state of matter where atoms are stripped of electrons.