diseases (noun)
31wheat rust — noun rust fungus that attacks wheat • Syn: ↑Puccinia graminis • Hypernyms: ↑rust, ↑rust fungus • Member Holonyms: ↑Puccinia, ↑genus Puccinia * * * noun …
32yellow dwarf — noun any of several virus diseases of plants characterized by stunting and yellowing of the leaves • Hypernyms: ↑plant disease • Hyponyms: ↑yellow dwarf of potato, ↑potato yellow dwarf, ↑onion yellow dwarf * * * noun : any of several plant… …
33biological control — noun : attack upon noxious organisms (as insects) by interference with their ecological adjustment (as by the introduction of parasites not previously present) * * * noun, pl ⋯ trols 1 [noncount] : a method of controlling harmful insects,… …
34plant pathology — noun : a branch of botany that deals with the diseases of plants * * * the branch of botany dealing with diseases of plants. Also, phytopathology. [1890 95] * * * plant pathology, the study of plant diseases and their treatment …
35ring spot — noun 1. : a lesion of plant tissue consisting of yellowish, purplish, or necrotic, often concentric rings 2. : any plant disease of which ring spots are the characteristic lesion: as a. : a virus disease of tobacco and related plants producing… …
36blood test — noun a serologic analysis of a sample of blood • Hypernyms: ↑biopsy • Hyponyms: ↑agglutination test, ↑complement fixation test, ↑PSA blood test * * * noun : a test of the blood (as to determine parentage or ascertain the nature of an infection); …
37brain death — noun death when respiration and other reflexes are absent; consciousness is gone; organs can be removed for transplantation before the heartbeat stops • Syn: ↑cerebral death • Hypernyms: ↑death * * * noun : final cessation of activity in the… …
38snake oil — noun 1. (medicine) any of various liquids sold as medicine (as by a travelling medicine show) but medically worthless (Freq. 1) • Topics: ↑medicine, ↑medical specialty • Hypernyms: ↑liquid 2. communication (written or spoken) intended to deceive …
39special education — noun education of physically or mentally handicapped children whose needs cannot be met in an ordinary classroom • Hypernyms: ↑education * * * noun : classes or instruction for students with special educational needs (as a learning disability or… …
40stem cell — noun an undifferentiated cell whose daughter cells may differentiate into other cell types (such as blood cells) • Hypernyms: ↑somatic cell, ↑vegetative cell • Hyponyms: ↑hematopoeitic stem cell * * * noun : an unspecialized and usually embryonic …
