acapsularadj.

Brit.

/eɪˈkapsjᵿlə/, U.S.

/eɪˈkæps(j)ələr/

Origin: Formed within English, by derivation; perhaps modelled on a Latin lexical item. Etymons: a- prefix⁶, capsular adj.

Etymology: < a- prefix⁶ + capsular adj., perhaps after scientific Latin acapsularis (1857 or earlier).

Microbiology.

Esp. of a bacterium or yeast: lacking a capsule (capsule n. and adj. Additions).

ΚΠ

1863 Ann. & Mag. Nat. Hist. 12 255 The greater part of the bulk of the mass, now consisting of small, colourless, acapsular, granuliferous cells, of a globular or oval shape.

1897 B. H. S. Leumann Notes Micro-organisms Pathogenic to Man 31 When grown on Agar-Agar an acapsular variety [of diplococcus] is produced.

1952 Jrnl. Infectious Dis. 91 93/1 It was necessary to obtain acapsular forms in order to determine the O antigens of the cultures.

1979 Virology 94 96/2 A number of the spontaneous acapsular mutants which developed spontaneously on the agar plates were isolated.

2004 Jrnl. Infectious Dis. 190 1312/2 Differences between acapsular and thickly encapsulated yeasts were significant in all cases.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	acapsular
释义	acapsularadj. Brit. /eɪˈkapsjᵿlə/, U.S. /eɪˈkæps(j)ələr/ Origin: Formed within English, by derivation; perhaps modelled on a Latin lexical item. Etymons: a- prefix⁶, capsular adj. Etymology: < a- prefix⁶ + capsular adj., perhaps after scientific Latin acapsularis (1857 or earlier). Microbiology. Esp. of a bacterium or yeast: lacking a capsule (capsule n. and adj. Additions). ΚΠ 1863 Ann. & Mag. Nat. Hist. 12 255 The greater part of the bulk of the mass, now consisting of small, colourless, acapsular, granuliferous cells, of a globular or oval shape. 1897 B. H. S. Leumann Notes Micro-organisms Pathogenic to Man 31 When grown on Agar-Agar an acapsular variety [of diplococcus] is produced. 1952 Jrnl. Infectious Dis. 91 93/1 It was necessary to obtain acapsular forms in order to determine the O antigens of the cultures. 1979 Virology 94 96/2 A number of the spontaneous acapsular mutants which developed spontaneously on the agar plates were isolated. 2004 Jrnl. Infectious Dis. 190 1312/2 Differences between acapsular and thickly encapsulated yeasts were significant in all cases. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < adj.1863
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