a lavender, Lavandula latifolia, having spikes of pale-purple flowers, and yielding an oil used in painting.
a Mediterranean lavender plant, Lavandula latifolia, having pale purple flowers and yielding an oil used in paints
noun, Botany. 1. a small or secondary spike in grasses; one of the flower clusters, the unit of inflorescence, consisting of two or more flowers and subtended by one or more glumes variously disposed around a common axis. noun 1. (botany) the unit of a grass inflorescence, typically consisting of two bracts (glumes) surrounding one […]
noun 1. any of numerous plants of the genus Selaginella, allied to and resembling the club mosses.
noun 1. an aromatic, Indian plant, Nardostachys jatamansi, of the valerian family, believed to be the nard of the ancients. 2. an aromatic substance used by the ancients, supposed to be obtained from this plant. 3. any of various other plants, especially an American plant, Aralia racemosa, of the ginseng family, having an aromatic root. […]
- Spike potential
spike potential n. The main wave in the action potential of a nerve that is followed by negative and positive afterpotentials.