Share this entry
testa Line breaks: testa
Pronunciation: /ˈtɛstə/

Definition of testa in English:

noun (plural testae ˈtɛstiː)

The protective outer covering of a seed; the seed coat.
Example sentences
  • The outer testae were removed and seeds placed in the light on filter paper soaked with sterile distilled water.
  • Sufficient moisture must be present to penetrate the testa or seed coat, but not so much that the seed rots or that the oxygen level in the soil is reduced.
  • Wheat grains consist of the seed coat, or testa, which surrounds the endosperm and embryo.


Late 18th century: from Latin, literally 'tile, shell'.

Definition of testa in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources