ChEBI

A substance capable of undergoing rapid and highly exothermic decomposition.

Any compound used for the purpose of preserving biological tissues from decay in such a way as to allow for the preparation of thin, stained sections for subsequent histological study.

A substance used locally on humans and other animals to destroy harmful microorganisms or to inhibit their activity (cf. disinfectants, which destroy microorganisms found on non-living objects, and antibiotics, which can be transported through the lymphatic system to destroy bacteria within the body).