Last Updated：2025/11/20

The presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact a host, or in the soil.

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infestation

Source Word

infestation

IPA(Pronunciation)

Noun

countable uncountable

The presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact a host, or in the soil.

Japanese Meaning

害虫や寄生生物など、宿主またはその周辺（地域、畑、表面、土壌など）に多数存在する状態。 / 有害な生物が大量に発生し、被害をもたらす状況。

After the long, wet season, the farmer discovered an infestation of locusts across his fields.

長く雨の多い季節の後、農夫は畑一面にわたるバッタの大量発生を見つけた。

Sense（1）

The presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact a host, or in the soil.

infestations

（ plural ）