noun, Plant Pathology.
a disease of peaches, apples, roses, grapes, etc., characterized by the formation of galls on the roots or stems usually at or below ground level, caused by a bacterium, Agrobacterium tumefaciens.
the gall itself.
noun 1. an optical glass of low dispersion and generally low index of refraction. 2. an old form of window glass formed by blowing a globe and whirling it into a disk. noun 1. another name for optical crown 2. an old form of window glass made by blowing a globe and spinning it until […]
noun, Horticulture. 1. a graft in which the scion is inserted at the crown of the stock. noun 1. (horticulture) a type of graft in which the scion is inserted at the crown of the stock
- Crown green
noun 1. a type of bowling green in which the sides are lower than the middle
- Crown-heel length
crown-heel length n. The length of an embryo or fetus measured from the skull vertex to the heel.