phthiriasis

[thahy-rahy-uh-sis, thi-]

noun

1. crab lice infestation.

phthiriasis

/ θɪˈraɪəsɪs /

noun

1. pathol the state or condition of being infested with lice; pediculosis

Word History and Origins

Origin of phthiriasis¹

1590–1600; < Greek phtheiríāsis, equivalent to phtheír louse + -iāsis -iasis

Word History and Origins

Origin of phthiriasis¹

C16: via Latin from Greek, from phtheir louse

Example Sentences

It would be banal to recall that phthiriasis is caused by lice, and that certain larvae of Diptera, such as the cestrids, may occasion the disease called myasis.

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Phthiriasis, thi-rī′a-sis, n. the lousy disease—morbus pediculosus.

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Wherefore I cannot agree with those interpreters, who imagine that Herod was consumed by, and died of the phthiriasis, or louzy disease.

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Schiödte, a Danish entomologist, has, it seems to us, forever settled the question as to whether the louse bites the flesh or sucks blood, and decides a point interesting to physicians, i.e., that the loathsome disease called phthiriasis is a nonentity.

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Pediculosis: a state of lousiness, or the abnormal condition caused by the multiplication of lice on the body: sec phthiriasis.

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