| 单词 | parastichy |
| 释义 | parastichy in British English (pəˈræstɪkɪ) nounWord forms: plural -chies Compare orthostichy1. a hypothetical spiral line connecting the bases of a series of leaves on a stem 2. an arrangement of leaves so connected Derived forms parastichous (paˈrastichous) adjective Word origin C19: from para-1 + Greek stikhia, from stikhos row, rankparastichy in American English (pɪˈræstɪki) nounWord forms: plural -chies Botany one of a number of seemingly secondary spirals or oblique ranks winding around the stem or axis to the right and left in a spiral arrangement of leaves, scales, etc., where the internodes are short and the members closely crowded, as in the houseleek and the pine cone Word origin [1870–75; para-1 + stich1 + -y3]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: Mafia, asymmetric, linkage, upgrade, washoutpara- is a prefix appearing in loanwords from Greek, most often attached to verbs and verbalderivatives, with the meanings “at or to one side of, beside, side by side” (parabola; paragraph; parallel; paralysis), “beyond, past, by” (paradox; paragogue); by extension from these senses, this prefix came to designate objects or activitiesauxiliary to or derivative of that denoted by the base word (parody; paronomasia), and hence abnormal or defective (paranoia), a sense now common in modern scientific coinages (parageusia; paralexia). As an English prefix, para- may have any of these senses; it is also productive in the naming of occupationalroles considered ancillary or subsidiary to roles requiring more training, or of ahigher status, on such models as paramedical and paraprofessional (paralegal; paralibrarian; parapolice); -y is a suffix of various origins used in the formation of action nouns from verbs (inquiry), also found in other abstract nouns (carpentry; infamy) |
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