adjective
- of or relating to substances produced and stored in plant cells as a result of metabolic activity, such as starch, oils, or proteins
Usage: technical; botany
Examples
- The ergastic materials in the seed provide energy for germination.
- Starch is an ergastic substance commonly found in plant cells.
- Ergastic compounds accumulate in the vacuoles of plant tissues.
- The ergastic reserves in tubers help the plant survive winter.