inoculumn.

Brit.

/ᵻˈnɒkjᵿləm/, U.S.

/ᵻˈnɑkjələm/

Inflections: Plural inocula.

Origin: Formed within English, by derivation. Etymons: inoculate v., -um.

Etymology: < inocul- (in inoculate v.) + -um, after Latin nouns with this ending.

Material that is used to initiate the growth of microorganisms, viruses, or cells in a culture medium or living organism, or that causes natural infection or disease in an organism; a quantity of such material.

ΘΚΠ

the world > life > biology > laboratory analysis > material > [noun] > material used for inoculating

inoculum1902

1902 J. W. H. Eyre Elements Bacteriol. Technique xv. 267 (heading) The preparation of the inoculum.

1909 Bot. Gaz. 47 411 One of the plants was left uninjured and the inoculum was placed in the axils of the leaves.

1949 N. G. Heatley in H. W. Florey et al. Antibiotics I. iv. 212 The reason why small inocula (down to single cells) do not normally grow out was thought to be due to the inhibitory power of a number of substances.

1984 Jrnl. Substance Abuse Treatm. 1 239/1 Repeated exposure to the AIDS virus or exposure to a large inoculum may be necessary for development of a full-blown case of the disease.

2017 Farmer's Weekly (Nexis) 5 May The inoculum is there, so if the weather is conducive, the disease will spread.

This entry has been updated (OED Third Edition, March 2022).

单词	inoculum
释义	inoculumn. Brit. /ᵻˈnɒkjᵿləm/, U.S. /ᵻˈnɑkjələm/ Inflections: Plural inocula. Origin: Formed within English, by derivation. Etymons: inoculate v., -um. Etymology: < inocul- (in inoculate v.) + -um, after Latin nouns with this ending. Material that is used to initiate the growth of microorganisms, viruses, or cells in a culture medium or living organism, or that causes natural infection or disease in an organism; a quantity of such material. ΘΚΠ the world > life > biology > laboratory analysis > material > [noun] > material used for inoculating inoculum1902 1902 J. W. H. Eyre Elements Bacteriol. Technique xv. 267 (heading) The preparation of the inoculum. 1909 Bot. Gaz. 47 411 One of the plants was left uninjured and the inoculum was placed in the axils of the leaves. 1949 N. G. Heatley in H. W. Florey et al. Antibiotics I. iv. 212 The reason why small inocula (down to single cells) do not normally grow out was thought to be due to the inhibitory power of a number of substances. 1984 Jrnl. Substance Abuse Treatm. 1 239/1 Repeated exposure to the AIDS virus or exposure to a large inoculum may be necessary for development of a full-blown case of the disease. 2017 Farmer's Weekly (Nexis) 5 May The inoculum is there, so if the weather is conducive, the disease will spread. This entry has been updated (OED Third Edition, March 2022). < n.1902
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