a plant cultivated using the same methods for usu. more than 50 years, passed down from generation to generation, esp. within a particular region
The most popular heirloom plants are vegetables, such as tomatoes.
- Heirloom seed
noun any seed handed down generation to generation and generally passed among individuals rather than sold in catalogs
noun, plural heirs presumptive. 1. a person who is expected to be the heir but whose expectations may be canceled by the birth of a nearer heir. noun 1. (property law) a person who expects to succeed to an estate but whose right may be defeated by the birth of one nearer in blood to […]
[hahy-zuh n-burg; German hahy-zuh n-berk] /ˈhaɪ zənˌbɜrg; German ˈhaɪ zənˌbɛrk/ noun 1. Werner Karl [ver-nuh r kahrl] /ˈvɛr nər kɑrl/ (Show IPA), 1901–76, German physicist: Nobel Prize 1932. /ˈhaɪzənˌbɜːɡ; German ˈhaizənbɛrk/ noun 1. Werner Karl (ˈvɛrnər karl). 1901–76, German physicist. He contributed to quantum mechanics and formulated the uncertainty principle (1927): Nobel prize for physics […]
noun, Physics. 1. . /ˈhaɪzənˌbɜːɡ/ noun 1. a more formal name for uncertainty principle See uncertainty principle.