Definition: The part of a young plant that is located above the seed leaves and below the first true leaves.

Example: The epicotyl helps the plant grow upward as it develops.

Definition: Relating to sensory nerve fibers that help detect small differences in sensations like touch or temperature.

Example: The epicritic sensitivity of the skin allows us to feel subtle changes in temperature.

Definition: The outermost layer of the protective covering of certain animals, especially arthropods, which is mainly made of wax.

Example: The epicuticle helps to prevent water loss in insects.

Definition: Referring to the outermost layer of a plant's cuticle, which is a protective film covering the epidermis of leaves and stems.

Example: The epicuticular wax on the leaves helps to reduce water loss.

Definition: A small circle that moves along the edge of a larger circle, often used in ancient astronomy to explain the orbits of planets around the Earth.

Example: In ancient astronomy, the concept of an epicycle was used to describe the complex movements of planets.

Definition: Relating to a type of circular motion where a smaller circle moves around the circumference of a larger circle.

Example: The epicyclic gears in the clock allow for precise timekeeping.

Definition: A specific type of curve created by a point on the edge of a circle as it rolls around the outside of another fixed circle.

Example: The mathematician demonstrated how to draw an epicycloid using a simple compass and pencil.

Definition: Related to a specific type of curve formed by the path traced by a point on the circumference of a circle that rolls around the outside of another circle.

Example: The gears in the machine were designed using epicycloidal shapes to improve efficiency.

Definition: Relating to a disease or condition that spreads quickly and affects many people in a specific area or population at the same time.

Example: The health department issued a warning about the epidemic outbreak of the flu this winter.

Definition: A situation where a disease spreads quickly and affects many people at the same time, or a rapid increase in something negative, like unemployment.

Example: The city faced an epidemic of flu cases last winter.

Definition: In a way that relates to or resembles an epidemic, often referring to the rapid spread of something, such as a disease or trend.

Example: The disease spread epidemically, affecting thousands in just a few weeks.