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: A standard or model used for comparison, often in scientific or technical contexts, such as an optical device with parallel mirrors that helps in measuring light.

Example: The scientist used an etalon to ensure the accuracy of the laser measurements.

Definition: A soft and light fabric that is loosely woven, often made from cotton or worsted, and has an open mesh structure.

Example: The dress was made of etamine, making it perfect for the warm summer days.

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.

Definition: A medicine used to treat tuberculosis, often combined with other drugs to help fight the infection.

Example: The doctor prescribed ethambutol as part of the treatment plan for the patient's tuberculosis.

Definition: A chemical compound that is the simplest aldehyde, often used in organic chemistry and as an intermediate in various chemical processes.

Example: Ethanal is commonly used in the production of acetic acid.

Definition: A colorless and odorless gas that is part of natural gas and is used for fuel and refrigeration.

Example: Ethane is often used in the production of ethylene, which is a key ingredient in many plastics.