20 Most Common Mold And Fungi Terms – Mold Glossary

glossary of Mold And Fungi Terms - Mold Glossary

Updated on 19-Jan-2023

A Glossary of common terms related to mold – For a layman

Despite the fact that there are thousands of types of mold, some of them are more prevalent than others. These types of mold thrive in moist environments or in places that have previously been flooded.

As a result of exposure to airborne fungal spores, allergies are most common, ranging from hay fever and asthma to very specific reactions and diseases. A common health effect of mold in indoor environments is hay fever-like symptoms.

In addition to this layman mold glossary, professional mold inspection and mold testing is the best way to determine exactly what kind of mold is growing in your home. You can learn more about our Toronto mold removal .

Below is a non-exhaustive list of fungi and mold terms which a layman must know about – NO BS/TECHNICAL STUFF.


  1. Allergen: A substance that can cause an allergic reaction in some people. Mold spores can be allergens for many people.
  2. Black Mold: A type of mold also known as Stachybotrys chartarum. It is known for its toxic spores and can cause health issues when inhaled.
  3. Biocide: A substance that kills or inactivates living organisms. Biocides are often used in mold remediation to kill and prevent the growth of mold.
  4. Contamination: The presence of mold or other harmful substances in a living or working space.
  5. Decontamination: The process of removing mold or other harmful substances from a living or working space.
  6. Fungi: A group of organisms that includes mold, mildew, and yeast. Fungi can be found in various environments and can cause damage to buildings and other structures.
  7. Fungicide: A substance that is used to kill or inhibit the growth of fungi. Fungicides are often used in mold remediation to prevent the growth of mold after it has been removed.
  8. Hyphae: The thread-like structures that make up the body of a mold or mildew colony.
  9. HVAC: Heating, ventilation, and Air Conditioning. The HVAC system in a building can play a role in mold growth, as poor ventilation and moisture buildup can create conditions that are favorable for mold growth.
  10. Mycotoxins: Toxins produced by certain types of mold that can be harmful to humans and animals.
  11. Mold Remediation: The process of removing mold and preventing its return.
  12. Mycology: The study of fungi, including mold and mildew.
  13. Mycosis: An infection caused by a fungus, including mold and mildew.
  14. Pathogenic: Capable of causing disease. Some types of mold can be pathogenic.
  15. Remediate: To correct or improve a problem or situation. In the context of mold, remediation refers to the process of removing mold and taking steps to prevent its return.
  16. Spore: A reproductive cell produced by mold and other fungi that can be dispersed through the air. Spores can grow into colonies if given the proper conditions.
  17. Stachybotrys: A genus of mold that includes the species Stachybotrys chartarum, also known as black mold.
  18. Toxicity: The ability of a substance, including mold, to cause harm to living organisms.
  19. Viable: Capable of growing or reproducing. Viable mold spores can grow into colonies if given the proper conditions.
  20. Yeast: A type of fungi that can cause fermentation and is used in food products like bread, beer, and wine. Some types of yeast can also cause infections in humans.