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Diotimos Library · Esotericism & Spirituality Collection · English Edition

Gerhard Dorn and John French

A Chymical Dictionary

An Expanded Diotimos Lexicon of Paracelsian and Alchemical Language

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A Chymical DictionaryLustrum

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English Edition · Branch 421 of 740

Lustrum

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A Chymical Dictionary

p. 421

Lustrum

Plants animals and natural materials · A Chymical Dictionary

At a Glance

The word. A name for milk’s cream.

In the book. Compare Lac Virginis, whose milky name is assigned to mercurial water.

A place to read. The historical definition below, 1650 dictionary, unnumbered definition page 30; facsimile PDF page 358.

Historical Definition

Lustrum is the cream of milk.

Meaning

The dictionary identifies the particular portion of milk intended. It does not use the headword here for a span of years or a ceremonial act, meanings that a reader might bring from another context. The material equivalent is the whole local explanation.

Use in the Book

Compare Lac Virginis, whose milky name is assigned to mercurial water. One entry actually concerns a dairy substance; the other employs milk-language for a different material. Similar naming does not establish a shared source.

Places to Read

Lac Virginis. Virgin’s milk as a name for mercurial water.

Historical source: 1650 dictionary, unnumbered definition page 30; facsimile PDF page 358 — Facsimile

Sources. A Chymical Dictionary 1650, 1650 dictionary, facsimile PDF page 358, Lustrum

See also. Lac Virginis

421

About This Reading Edition

The complete 706 historical definitions of the 1650 English dictionary, modernised and accompanied by expanded Diotimos commentary, reading routes, 15 textual notes and complete linked indexes.

Historical Text

A Chymicall Dictionary, London 1650, English version associated with John French, based on Gerhard Dorn’s Dictionarium Theophrasti Paracelsi. The containing volume also prints Sendivogius and Paracelsus; neither neighboring work changes this dictionary’s attribution.

About This Edition

Complete 706 definition paragraphs with new introduction, commentary, reading guides and indexes; Diotimos Editions, 2026.

Rights

The historical 1650 English text is in the public domain. New introduction, commentary, reading guides and indexes are © 2026 Diotimos Editions and published with the site owner’s authorization.