Irish Sign Language STEM Glossary header
Irish Sign Language STEM Glossary

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Letter Term Description Category
T Time (b)

A measurable sequence of existence and events from past to future.

Biology
T Treble

Three times as much or as many.

Mathematics
T Third Trimester (1)

From week 28 of pregnancy until the birth of the baby.

Pregnancy
T Time (Fingerspelling)

A measurable sequence of existence and events from past to future.

Biology
T Triangle

A two-dimensional shape with three sides, three interior angles, and three vertices.

Mathematics
T Third Trimester (2)

From week 28 of pregnancy until the birth of the baby.

Pregnancy
T Thunder

A loud rumbling or crashing noise heard after a lightning flash due to the expansion of rapidly heated air.

Environmental Science
T Tissue

An organised group or layer of cells that has a specific function.

Biology
T Telescope

An optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses, or of curved mirrors and lenses, by which rays of light are collected and focused and the resulting image magnified.

Physics
T Through (2)

In at one end, side, or surface and out at the other.

Mathematics