Exam: TOEFL

Definition: A hormone produced during pregnancy that is found in urine, known for its role in female reproductive health.

Example: Estriol levels can be measured to assess the health of a pregnancy.

Definition: A group of hormones that are mainly produced in the ovaries and are important for the development of female characteristics and reproductive functions.

Example: Estrogen levels can affect a woman's mood and physical health.

Definition: Relating to or having effects similar to the hormone estrogen, which is important for the development of female sexual characteristics and reproductive functions.

Example: Certain plants contain estrogenic compounds that can affect hormonal balance.

Definition: A type of hormone that is important for female reproductive health and is used in medical treatments for hormone deficiencies.

Example: Doctors may prescribe estrone to help manage symptoms of menopause.

Definition: Relating to the period in which female mammals are sexually receptive and fertile.

Example: The female dog is in estrous and ready to mate.

Definition: Relating to or found in an area where a river meets the sea, often characterized by a mix of fresh and saltwater.

Example: The estuarine environment is home to many unique species of plants and animals.

Definition: Feeling very hungry or having a strong desire for food.

Example: After skipping breakfast, I felt esurient by lunchtime.

Definition: A political system where the government has complete control over the economy and individual lives.

Example: In a state of etatism, the government makes all the important decisions regarding resources and services.

Definition: To perform the process of creating designs or images on a surface by cutting or carving into it.

Example: The artist will etch a beautiful landscape onto the metal plate.

Definition: The process of creating a design or pattern on a surface by cutting into it, often using acid or another chemical.

Example: The artist used etch to create intricate designs on the metal plate.

Definition: To cut or mark a surface, often using acid, to create a design or image.

Example: The artist decided to etch a beautiful pattern onto the glass.

Definition: A chemical substance, often acidic, that is used to create designs or patterns on a surface by removing material.

Example: The artist used an etchant to create intricate designs on the metal plate.