Meaning & Definition of word "Testa"
to
Testa
/ˈtɛstə/
noun:
- 1. The outer seed coat of a seed, especially in botany.
- Example: The testa of the seed protects the embryo from environmental hazards.
- 2. A protective outer layer or covering of an organism or structure.
- Example: The insect's testa provides a tough shield against predators.
- 3. In certain fruits, the hard outer layer surrounding the seed.
- Example: When you crack open the walnut, you see the hard testa encasing the nut.
Etymology
Latin, meaning 'outer shell or covering'.
Common Phrases and Expressions
testa intacta:
the seed coat remains unbroken.
breaking the testa:
referring to the process of exposing the seed within.
testa thickness:
the measure of the seed coat's robustness.
Related Words
seed:
the reproductive structure of a flowering plant.
embryo:
the early developmental stage of a seed.
fruit:
the mature ovary of a flowering plant, usually containing seeds.
Slang Meanings of testa
Meaning: A term used in specific gardening circles to refer to a tightly held belief.
Example Sentence: He had a testa mentality about growing heirloom tomatoes.
Meaning: An informal term among botanists for a protective layer in discussions.
Example Sentence: We need to consider the testa when discussing seed viability.