Irish Sign Language STEM Glossary
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| Letter | Term | Description | Category |
|---|---|---|---|
| R | Rise In Temperature | An increase in temperature (over time). |
Environmental Science |
| R | Red Blood Cell | The most common type of blood cell, used to deliver oxygen to the body tissues. |
Biology |
| R | Restriction Enzymes | Enzymes that cuts DNA molecules at specific sequences. Also referred to as Restriction endonucleases. |
Molecular Biology |
| R | Risk | A situation where there may be some danger. |
Environmental Science |
| R | Red Blood Cell (Fingerspelling) | The most common type of blood cell, used to deliver oxygen to the body tissues. |
Biology |
| R | Refugee | A person who has been forced to leave their country in order to escape war, persecution or natural disaster |
Environmental Science |
| R | Retina | The retina is the innermost, light-sensitive layer of tissue of the eye. |
Biology |
| S | Secretion - Lungs | Mucus secretion is the first-line defense against pathogens and irritants we breathe into our lungs. |
Biology |
| S | Silver (Fingerspelling) | A precious shiny greyish-white metal, the chemical element of atomic number 47. |
Biology |
| S | Stamen (Fingerspelling) | The pollen producing part of a flower. |
Biology |