Definition: In a way that involves sound waves at frequencies higher than the upper limit of human hearing.

Example: The device operates ultrasonically to detect objects underwater.

Definition: The study and use of sound waves that are at frequencies higher than what humans can hear, often used in various technologies and medical applications.

Example: Ultrasonics is widely used in medical imaging to create images of the inside of the body.

Definition: A medical imaging method that uses high-frequency sound waves to create images of internal body structures or developing fetuses.

Example: The doctor recommended an ultrasonography to check the baby's development.

Definition: A medical technique that uses high-frequency sound waves to create images of the inside of the body, often used to check on the health of a developing baby or to examine organs.

Example: The doctor used an ultrasound to check the baby's heartbeat during the pregnancy.

Definition: Relating to the very small structures within a cell that can only be seen with an electron microscope.

Example: The ultrastructural analysis revealed details about the cell's organelles.

Definition: The very small and detailed structure of a biological specimen, like a cell or tissue, that can only be seen with special tools like electron microscopes.

Example: Scientists studied the ultrastructure of the cell to understand its functions better.

Definition: Extremely thin or slender, often used to describe materials or objects that have a very small thickness.

Example: The ultrathin laptop is lightweight and easy to carry.

Definition: Relating to a type of light that is not visible to the human eye and has shorter wavelengths than violet light.

Example: Ultraviolet light can cause sunburn and skin damage.

Definition: A type of light that is not visible to the human eye and has a shorter wavelength than visible light, often associated with sunburn and used in various technologies.

Example: Ultraviolet rays from the sun can cause skin damage if you are not protected.

Definition: A type of mineral that contains copper and selenium, typically appearing in colors ranging from blue to red.

Example: Umangite is often found in mineral collections due to its unique color and composition.

Definition: Relating to the navel or umbilical cord, often used to describe something that is central or connects to the abdomen.

Example: The doctor explained the importance of the umbilical cord during pregnancy.

Definition: A cord that connects a developing baby to its mother, providing nutrients and oxygen during pregnancy.

Example: The doctor explained how the umbilical cord is essential for the baby's growth before birth.