Meaning & Definition
noun
A state of deep unconsciousness that lasts for a prolonged or indefinite period, typically resulting from severe injury or illness.
The patient has been in a coma since the car accident last month.
A state resembling a coma, characterized by unresponsiveness and lack of normal sleep-wake cycles.
The drug can induce a coma-like state in patients for surgical procedures.
In botany, a coma refers to a tuft of hair, especially on seeds.
The seeds of the dandelion are dispersed by the wind thanks to their fluffy coma.
Etymology
From Greek 'koma' meaning 'deep sleep'.
Common Phrases and Expressions
coma patient:
A patient who is in a state of coma.
induced coma:
A medically induced state of unconsciousness for therapeutic purposes.
Slang Meanings
To be extremely tired or to fall asleep suddenly.
After the party, she totally went into a coma on the couch.
To be overwhelmed or incapacitated by something.
I was in a video game coma all weekend!