A glossary of science-related words.
A mineral found in igneous rocks and in sedimentary rocks made up from fragments of igneous material. It often contains radioactive elements, which makes it useful in some radiometric dating techniques.
A white crystalline oxide of the metal element zirconium (atomic number 40). Certain forms of zirconia are used as advanced ceramics with engineering and medical applications.
A series of 12 constellations that are centred upon the ecliptic – the apparent path of the Sun, Moon and visible planets as they cross the sky (celestial sphere).
Early stage in the life cycle of a crab. Characterised by the use of thoracic appendages to swim.
A ring of ligaments connecting the ciliary body and the lens of the eye that hold the lens in place.
The study of animals.
A virus that normally infects animals that is able to infect humans.
Tiny shrimp-like animals that drift with water currents.
The diploid cell that results from the joining of two haploid gametes (fertilisation).