Agricultural Science

noun a plant hormone that promotes the abscission of leaves, flowers, and fruits

• Abscisins are a class of plant hormones that regulate various physiological processes in plants.
• I read that abscisin is responsible for plant dormancy during winter.
• Have you heard about abscisin? It's like the boss hormone in plants.
• Just like how abscisin tells plants when to shed their leaves, sometimes we need a signal to let go of things in our lives.

noun a layer of cells that forms at the base of a petiole or fruit stalk in plants, which eventually causes the leaf or fruit to fall off

• The abscission layer is a specialized group of cells that forms at the base of a leaf or fruit stalk, eventually causing it to detach from the plant.
• When the abscission layer forms, it's a sign that the leaf or fruit is about to fall off.
• Once the abscission layer kicks in, that leaf is as good as gone.
• The abscission layer can be seen as nature's way of letting go and moving on.

noun the study of grasshoppers, specifically those of the family Acrididae

• The study of venomous animals falls under the branch of acridology.
• My friend is majoring in acridology, which is the study of venom and venomous animals.
• I never knew acridology was a thing until I met someone who studies snake venom for a living.
• In the world of acridology, researchers are constantly unlocking the secrets of deadly toxins.