The topic of mold has a lot of important terms and definitions. Here is a glossary you can check to learn more about mold and its properties.

Aerobic: An organism that needs oxygen to make energy. Most fungi are aerobic.
Aeroseol: An aerosol is a suspension of fine solid particles or liquid droplets, in air or another gas.
Allergen: A substance that causes an allergic reaction. Some examples are pollen, molds, and foods.
Allergic Reaction: An allergic reaction occurs when cells in the immune system interpret a foreign substance or allergen as harmful. The immune system then produces histamine, a chemical that can cause inflammation, sneezing, and coughing.
Aspergillosis: An infection or disease caused by breathing high concentrations of Aspergillus fungi over a prolonged period.
Aspergillus: Aspergillus is a fungus whose spores are present in the air we breathe, but does not normally cause illness. In those people with a weakened immune system, damaged lungs or with allergies, Aspergillus can cause disease.
Asthma: Asthma is a condition in which your airways narrow and swell and produce extra mucus. Asthma attacks can be triggered by allergens, environmental pollutants, or other external factors.
Bacteria: Bacteria are microscopic living organisms, usually one-celled, that can be found everywhere. They can be dangerous, such as when they cause infection, or beneficial, as in the process of fermentation (such as in wine) and that of decomposition.
Biocide: A poisonous substance, typically used to remove harmful harmful organisms.
Black Mold: Stachybotrys chartarum, also known as black mold or toxic black mold, is a mold that is black in color and can be very hazardous if left unchecked.
Cladosporium: Cladosporium is a genus of fungi including some of the most common indoor and outdoor molds. It can potentially cause allergies and asthma attacks.
Condensation: Water which collects as droplets on a cold surface when humid air is in contact with it.
Containment: The use of barriers to close off areas where mold is prevalent. The goal of containment is to limit the spread of mold in order to minimize the exposure and make treatment easier.
Cross Contamination: The process in which mold transfers from one area or person to another.
Dehumidification: The process of reducing moisture content in an area.
Decontamination Area: An enclosed area adjacent to and connected to a regulated work area. It consists of various rooms, which are used for the decontamination or workers, equipment and materials.
Disinfectant: A chemical liquid used to destroy bacteria.
Dry Rot: Wood decay caused by fungi in low moisture conditions.
Fungi: Plural of fungus.
Fungicide: Biocidal material used to kill fungi and their spores.
Fungus: Any of a group of spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.
Germicide: A substance used to destroy harmful microorganisms.
Gypsum Board: A widely available chalk-like mineral.  It is used in plaster and in making plasterboard (drywall, sheetrock, gyprock, etc.)
Hazardous Material: A hazardous material is an item or agent which has the potential to cause harm.
HEPA: High Efficiency Particulate Air. Filters meeting the HEPA standard must emonstrate certain levels of efficiency, and are used for final cleanup in mold remediation.
Humidity: The amount of water vapor in the air.
HVAC: Heating, Venting and Air Conditioning. The heating and cooling systems of a building.
IAQ: Indoor Air Quality. A term used to describe how clean or polluted air in a building is.
Industrial Hygienist: A highly trained, usually certified expert who works to reduce safety risks and hazards in an industrial setting.
Metabolite: A substance formed in or necessary for metabolism.
Mil: A measure of thickness usually describing vinyl wear layers, plastic film, trash bags, or liners. One mil equals on one-thousandth (1/1000) of an inch.
Mildew: A form of fungus denoted by its white color.
Mold: A form of fungus that grows in the form of multi-cellular filaments called hyphae. Molds come in a variety of colors, and can appear fuzzy or in slimy streaks. There is often a musty or earthy odor around molds.
Mycelium: The vegetative part of a fungus consisting of branching, interwoven hyphae.
Mycotoxins: Toxic compounds produced by some molds and fungi.
Nonporous: A material that is not easily penetrated by liquids and does not easily absorb them.
Penicillium: A collection of fungi that is common in house dust and grows on wallpaper and wallpaper glue, wallpaper glue, fabrics, wall board, moist chipboards, and behind paint.
Plaster: A building material formed by mixing powder with sand and water. Applied over a plaster base to form a hard finish surface on walls and ceilings.
Pulmonary: Relating to, or associated with, the lungs.
Relative Humidity: The amount of water vapor in the air relative to the amount needed for saturation at a given temperature.
Remediation: The process of stopping or reversing environmental damage.
Spore: An inactive, typically uni-cellular, reproductive unit that can spawn bacteria or fungi under appropriate conditions. Spores are still capable of causing health issues, including allergic reactions.
Sporicide: A disinfectant specifically for targeting spores.
Stachybotrys chartarum: Also known as black mold or toxic black mold, is a mold that is black in color and can be very hazardous if left unchecked.
Toxicity: The degree to which a substance is dangerous and can cause harm.
Toxin: A poisonous substance produced by living organisms, such as bacteria and fungi.
Vapor: The gaseous form of a substance as it evaporates.
Virus: A minute infective agent. Viruses can spread a variety of dangerous diseases to humans.

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