oidium

[ oh-id-ee-uhm ]

noun

, Mycology.

, plural o·id·i·a [oh-, id, -ee-, uh].

1. one of the conidia that are borne in chains by certain fungi.
2. (in certain fungi) a thin-walled spore derived from the fragmentation of a hypha into its component cells.

oidium

/ əʊˈɪdɪəm /

noun

1. botany any of various fungal spores produced in the form of a chain by the development of septa in a hypha

Other Words From

• o·idi·oid adjective

Word History and Origins

Origin of oidium¹

1855–60; < New Latin < Greek ōi ( ón ) egg ¹ (cognate with Latin ovum; oo- ) + -idium -idium

Word History and Origins

Origin of oidium¹

New Latin: from oo- + -idium diminutive suffix

Example Sentences

Oidium and mildew rot were considered real risks, and there were also concerns about the number of wasps.

From Time

Laycock sees it in the bacilli and spores of oidium albicans; Wilks, however, found the same parasite in other affections.

From Project Gutenberg

The belief held by many, and which seemed very plausible, was that the microbes, instead of sustaining a causative relation to the maladies in which they occur, were the result of these maladies—that they sprang into existence in consequence of the vitiated state of the blood and tissues, just as fungi appear on decaying substances or as the Oidium albicans appears in certain morbid conditions of the buccal surface and secretions.

From Project Gutenberg

Oidium, ō-id′i-um, n. a genus of parasitic fungi, including the vine-mildew, &c.

From Project Gutenberg

It is a fact of some interest in agricultural economy, that the oidium, which is so destructive to the grape, has produced no pecuniary loss to the proprietors of the vineyards in France.

From Project Gutenberg