Exam: TOEFL

Definition: Relating to a chemical substance released by an animal that affects the behavior of others of the same species.

Example: The study focused on the pheromonal signals that influence mating behavior in insects.

Definition: A chemical released by an animal that affects the behavior or development of others in the same species, often used to attract mates.

Example: The female moth releases a pheromone to attract male moths from a distance.

Definition: A small container, often made of glass, used for holding liquids, especially in laboratories or for medicines.

Example: The scientist carefully poured the solution into the phial for testing.

Definition: The act of having romantic relationships with someone other than one's partner, often secretly or dishonestly.

Example: His philandering led to the end of their marriage.

Definition: To engage in casual or uncommitted romantic relationships, often while being in a committed relationship with someone else.

Example: He was known for philandering, which caused many problems in his marriage.

Definition: Relating to the desire to help others, especially through charitable donations or actions.

Example: The philanthropic organization donated millions to support education and healthcare.

Definition: Relating to the desire to promote the welfare of others, often through charitable donations or actions.

Example: The philanthropistical organization donated millions to help build schools in underprivileged areas.

Definition: A person who helps others by giving money, time, or resources to improve their lives and support good causes.

Example: The philanthropist donated millions to build schools and hospitals in underprivileged areas.

Definition: The act of helping others, especially through giving money or resources to support charitable causes and improve the well-being of people.

Example: Her philanthropy has helped build schools and provide clean water in many communities.

Definition: Related to the collection and study of postage stamps and other postal materials.

Example: He has a philatelic collection that includes rare stamps from around the world.

Definition: In a way that relates to the collection and study of postage stamps.

Example: He collects stamps philatelically, attending exhibitions and trading with other enthusiasts.