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单词 multivalvular
释义

multivalvularadj.

Brit. /ˌmʌltɪˈvalvjᵿlə/, U.S. /ˌməltiˈvælvjələr/; see also multi- comb. form.
Origin: Formed within English, by compounding. Etymons: multi- comb. form, -valvular comb. form.
Etymology: < multi- comb. form + -valvular comb. form, after bivalvular adj. Compare slightly earlier multivalve adj., multivalved adj.
1. Botany. Of a fruit: having more than two valves. Obsolete.
ΚΠ
1760 J. Lee Introd. Bot. ii. xxxiii. 155 Antirrhinum, with multivalvular Fruit.
1849 J. H. Balfour Man. Bot. §530 The fruit being univalvular, bivalvular, or multivalvular, &c., according as there are one, two, or many valves.
1851 S. F. Baird tr. J. G. Heck Iconogr. Encycl. II. Bot. 184 Fruit either fleshy or capsular, multilocular and multivalvular.
2. Zoology. Having many valves or valvules. Now rare.
ΚΠ
1872 T. Gill Arrangem. Families Fishes p. xxv No demonstration..has been presented as yet that any physostome fishes do really have the optic chiasma and multivalvular bulbus arteriosus.
1906 Science 5 Oct. 423/2 The mollusca are also ecologically discussed... Position of umbones, terminology of multivalvular forms; [etc.].
3. Medicine. Affecting or relating to more than one valve of the heart; = multivalve adj. 2b.
ΚΠ
1953 Jrnl. Internat. College Surgeons 20 1 (title) Multivalvular heart disease and simultaneous surgical correction.
1965 Ann. Thoracic Surg. 1 Nov. 723 (title) Multivalvular replacement.
1980 Amer. Jrnl. Med. Sci. 280 185 Multivalvular rheumatic heart disease.
1998 Internat. Jrnl. Cardiol. 63 313 Percutaneous balloon valvuloplasty is being increasingly practiced for treatment of multivalvular stenoses.
This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).
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adj.1760
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