| 单词 | subtype |
| 释义 | ˈsubtype
[sub- 5 c.]
A subordinate type; a type included in a more general type; spec. a subdivision of a type of micro-organism.
1862Miller Elem. Chem., Org. (ed. 2) i. §2. 50 The hydrochloric acid type..forms a subtype which comprehends the chlorides, fluorides, bromides, iodides, and cyanides. 1872Oliver Elem. Bot. ii. 122 In some Natural Orders the amount of variation..is so considerable that we shall find it needful to employ subtypes. 1951Whitby & Hynes Med. Bacteriol. (ed. 5) xii. 203 By preparing specific Vi phages more than 20 types and sub-types of the typhoid bacillus have been recognized. 1963Lancet 12 Jan. 92/2 Three serotypes are known, but subtypes of type 2 have recently been demonstrated in some animal species. 1979Sci. Amer. Jan. 66/1 That particular subtype of the influenza virus had been the agent of the pandemic of 1918, which killed 20 million people worldwide.
Hence as v. trans., to assign to a subtype; to classify in terms of subtypes; ˈsubtyping vbl. n.
1973Lancet 20 Oct. 867/1 Relatives of 9 blood-donors were also subtyped; all had the same subtype as the index case to which they were related. Ibid. 869/1 The value of subtyping as an epidemiological tool. 1977Ibid. 15 Oct. 803/2 A multiply resistant strain of type-19 (not yet subtyped) Streptococcus pneumoniæ was isolated. 1980Brit. Jrnl. Psychiatry CXXXVII. 502/1 Subtyping of schizophrenia into paranoid and non-paranoid subtypes. |
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