Mycologist (noun)

1. A scientist who studies fungi, including their taxonomy, physiology, and ecology.
2. A person who is an expert in the field of mycology.

Origin:

The word mycologist comes from the greek word "mykes" meaning fungus and the suffix -logist which denotes a person who studies or specializes in a certain field. it first appeared in the 19th century.

Examples:

1. The mycologist identified the mushroom as edible, and it was added to the menu at the restaurant.
2. She spent her career as a mycologist studying the diverse and fascinating world of mushrooms.
3. The mycologist was able to identify the fungus that was causing the tree to die.
4. As a mycologist, he was able to explain why certain fungi were poisonous and others were edible.
5. The mycologist was able to isolate the specific strain of fungus that was causing the blight, and create a pesticide to combat it.