any of numerous lice, of the family Psyllidae, that feed on plant juices and are sometimes pests of fruits and vegetables.
jumping plant louse.
any homopterous insect of the family Psyllidae, which comprises the jumping plant lice See plant louse (sense 2)
noun 1. any of numerous lice, of the family Psyllidae, that feed on plant juices and are sometimes pests of fruits and vegetables. noun 1. jumping plant louse.
noun, (used with a singular or plural verb) Plant Pathology. 1. a viral disease transmitted by the potato psyllid, causing the young leaves of potatoes, tomatoes, eggplants, and peppers to curl and turn yellow or purplish.
noun 1. fleawort. 2. Also called psyllium seed. the seeds of this plant, used as a laxative. noun 1. a grain, Plantago psafra, the husks of which are used medicinally as a laxative and to reduce blood cholesterol levels psyllium psyl·li·um (sĭl’ē-əm) n. An annual Eurasian plant having opposite leaves and small flowers borne in […]
plural noun 1. short for psychological operations noun psychological operations carried out by the military, esp. to influence the attitudes and perceptions of individuals, organizations, or governments
humour /si:’ton/ (From TMRC) The elementary particle carrying the sinister force. The probability of a process losing is proportional to the number of psytons falling on it. Psytons are generated by observers, which is why demos are more likely to fail when lots of people are watching. This term appears to have been largely superseded […]