Onchocerca On·cho·cer·ca (ŏng’kō-sûr’kə)
A genus of elongated filariform nematodes that inhabit the connective tissue of their hosts, usually within firm nodules in which they are coiled and entangled.
[ong-koh-ser-kahy-uh-sis] /ˌɒŋ koʊ sərˈkaɪ ə sɪs/ noun, Pathology. 1. an infestation with filarial worms of the genus Onchocerca, common in tropical America and Africa, transmitted by black flies, and characterized by nodules under the skin, an itchy rash, eye lesions, and in severe cases, elephantiasis. /ˌɒŋkəʊsəˈkaɪəsɪs/ noun (pl) -ses (-siːz) 1. a disease found in […]
[on-sid-ee-uh m] /ɒnˈsɪd i əm/ noun 1. any of numerous tropical American orchids of the genus Oncidium, having clusters of flowers showing great variety in size, form, and color.
- On cloud nine
adjective phrase At the very pinnacle of bliss; euphoric; on a cloud: She came back home and he’s on cloud nine (1950s+) Blissfully happy, as in Ever since he proposed to her, her parents have been on cloud nine. The exact allusion of nine in this term is unclear, and different figures, especially seven (perhaps […]
1. a combining form meaning “tumor,” “mass,” used in the formation of compound words: oncogenic. combining form 1. denoting a tumour: oncology word-forming element meaning “bulk, mass,” especially in medical use, “tumor,” from Latinized form of Greek onko-, comb. form of onkos “bulk, size, mass, body.” onco- pref.