You searched for: “altruism
altruism
1. Concern for the welfare of others.
2. Acting in an unselfish way to help others.

"When the earthquake struck, people from all over the world, out of a sense of altruism, volunteered their help for the victims."

altruism
Apparently a self-sacrificing behavior performed by one creature for the benefit of others.
This entry is located in the following unit: Insects, General Applicable Terms (page 1)
altruism (s) (noun), altruisms (pl)
Self-destructive behavior performed for the benefit of others in the colony: Catherine read about altruism as an action by an animal that is not favourable for itself, or could even be dangerous, but improves the situation of another of its species.
This entry is located in the following unit: Ant and Related Entomology Terms (page 2)
A devotion to and regard for the interests or welfare of others. (1)
Word Entries containing the term: “altruism
biological altruism
Behavior which helps other members of a species but which diminishes an individual's own chance of reproductive success.
This entry is located in the following unit: Biology Terms + (page 2)