| alpha particle |
a positively charged particle given off as radiation from some fission or decay processes, consisting of two protons and two neutrons. |
| antisepsis |
the killing of microorganisms that cause disease or decay. |
| antiseptic |
a substance or drug with the ability to kill microorganisms that cause disease or decay. [1/4 definitions] |
| asepsis |
the condition of being free of microorganisms that cause disease or decay. [1/2 definitions] |
| aseptic |
free of bacteria or germs that cause disease or decay. [1/3 definitions] |
| beta particle |
a high-speed positron or electron ejected from a nucleus in radioactive decay or fission. |
| calcium fluoride |
a white powder used in cements and other industrial products and as a tooth decay preventive. |
| canker |
any cause of corruption or decay. [1/7 definitions] |
| caries |
bone decay, esp. tooth decay. |
| conservator |
one who guards or preserves from harm or decay; custodian. [1/2 definitions] |
| corruption |
physical decay or decomposition. [1/5 definitions] |
| crumble |
to fall into small bits; decay. [1/2 definitions] |
| decadence |
the act, process, or condition of decline into an inferior state; deterioration; decay. [1/3 definitions] |
| decompose |
to cause to decay; rot. [2/3 definitions] |
| degeneration |
the process of decline or decay. [2/4 definitions] |
| dilapidated |
fallen into disrepair or decay, esp. from neglect or overuse. |
| disintegrate |
to decay or be transformed, as an atomic nucleus bombarded by high-energy particles. [1/3 definitions] |
| dry rot |
a fungus decay of seasoned timber that causes it to become brittle and crumble into a dry powder, or the fungus causing this decay. [2/3 definitions] |
| dust |
the ultimate state of matter or of human beings that results from decay. [1/11 definitions] |
| ebb |
to weaken, decline, or decay. [1/4 definitions] |
| fluoridate |
to add a fluoride to (a water supply) in order to decrease or prevent tooth decay. |