a forest fire that spreads along treetops, often at great speeds.
noun, Plant Pathology. 1. 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. 2. 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