Language number and measures

Mensis Philosophicus

A philosophical month measured as forty days of digestion.

From the book

A Chymical Dictionary

Gerhard Dorn and John French · Diotimos Editions · 2026

Browse this book’s lexicon →

Orientation

At a Glance

  • The wordA philosophical month measured as forty days of digestion.
  • In the bookDigestio supplies a separate explanation of the operation.
  • A place to readThe historical definition below, 1650 dictionary, unnumbered definition page 33; facsimile PDF page 361.

Historical definition

Mensis Philosophicus is the full period of digestion, namely forty days.

Meaning

The compiler defines the month by the completion of an operation and then gives its duration. Forty days is therefore part of the stated meaning, rather than a calendar month silently assumed by a modern reader. The entry does not describe what is digested or the conditions under which that span applies.

Use in the book

Digestio supplies a separate explanation of the operation. Keeping the operation and its named full period together makes the technical use of month more precise than a general statement that all philosophical time is symbolic.

Places to read

  1. Mensis PhilosophicusRead the complete historical definition and its commentary.
  2. DigestioPreparation understood through digestion and the separation of pure from impure.

Source note

Historical source. 1650 dictionary, unnumbered definition page 33; facsimile PDF page 361 — Facsimile

Sources. A Chymical Dictionary 1650, 1650 dictionary, facsimile PDF page 361, Mensis Philosophicus