Definition of testa in English:

Share this entry

testa

Pronunciation: /ˈtestə/

noun (plural testae /-tē/)

Botany
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.

Origin

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

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.