S
saturated fat [sat shu rated * fat]
A type of fat from animal, dairy, and some plant sources. Saturated fats are also called solid fats, because they are solid at room temperature. Saturated fats have been found to increase the risk of heart disease.
selenium [su lin ee um]
An essential dietary mineral
small intestine
The longest section of digestive tract between the stomach and the large intestine, where most of the nutrients are absorbed by the body
solid fat
A fat that is solid at room temperature.
species [spee shees]
The basic grouping used in biology to identify living organisms that look alike and that can breed together. For example, dogs are one species and cats are another species.
SPR Factor [S P R fack tor]
sun protection rating factor; a rating system that shows the multiples of time that would be required to start a sunburn on fair or light skin. If a typical fair skinned person would have a mild sun burn in 5 minutes, an SPR Factor lotion of 15 would provide 75 minutes of protection. (The calculation would be 5 minutes X 15 SPF= 75 minutes.) Most preparations suggest applying the lotion 15 minutes before exposure to sunlight.
sterile [stair el]
Free from living bacteria and other microorganisms.
stomach [stu muk]
An organ between the esophagus and the small intestine used to digest food. This is where the food we eat is mixed with digestive juices.
sunscreen [son skreen]
A chemical agent used in sun lotion to protect the skin from ultraviolet light. An agent that holds back or inhibits a process.