| LYSIS | Decomposition of a cell |
| ELECTROLYSIS | The decomposition of a substance by the application of an electric current |
| FIREDAMP | Mixture of gases, chiefly methane, which occurs from the decomposition of coal (8) |
| CO | A heavy odorless colorless gas formed during respiration and by the decomposition of organic substan |
| HUMUS | Organic component of soil, formed by the decomposition of plant and animal matter (5) |
| TIRES | Pyrolysis is the chemical decomposition of carbon-based materials, and it can help break down _____, which are a significant environmental burden in landfills (5) |
| HUMIC | Of, or relating to, natural organic compounds in the soil, formed from the decomposition of plant and animal residues (5) |
| METHANE | A greenhouse gas emitted by the decomposition of landfill waste (7) |
| URICACID | Chemical decomposition of ICI union card |
| GANGRENE | Localised decomposition of body tissue (8) |
| COAL | Black or brown combustible mineral formed by decomposition of organic matter and used as fuel |
| KAOLIN | Fine white clay produced by the decomposition of feldspar and other minerals, used to make porcelain and bone china (6) |
| ACETICACID | Chemical decomposition of cacti about which great papers may be written (6,4) |
| PUTREFACTION | Decomposition of organic matter, especially protein, by micro-organisms (12) |
| MUTATE | To undergo a change as in the genes of a cell |
| CYTOSOL | The soluble component of the protoplasm of a cell surrounding the nucleus (7) |
| ENERGID | The nucleus of a cell together with the mass of protoplasm around it (7) |
| CHROMOSOME | A thread-like structure found inside the nucleus of a cell (10) |
| CYTOPLASM | Mostly a PC forms part of a cell (9) |
| INTERNAL | Local part of a cell acquired by a chip maker (8) |