Irish Sign Language STEM Glossary
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| Letter | Term | Description | Category |
|---|---|---|---|
| X | Xylem (Fingerspelling) | A vascular tissue in plants, that mainly transports water from roots to stems and leaves. |
Biology |
| Y | Yearly (Every Year) | Yearly (Every Year) |
Mathematics |
| Y | Yesterday | Yesterday |
Mathematics |
| Y | Yesterday (used in a sentence) | Yesterday (used in a sentence) |
Mathematics |
| Y | Year | Year |
Mathematics |
| Y | Yearly | Yearly |
Mathematics |
| Z | 1st | Number. |
Mathematics |
| Z | Zero Gravity | A state or condition in which there is no gravity. |
Physics |
| Z | 1st (b) | Number. |
Mathematics |
| Z | 2nd | Number. |
Mathematics |