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Encyclopedia

People, places, and concepts that appear across multiple books in the collection. Discover connections between texts.

240
Total
64
People
32
Places
144
Concepts
AllABCDEFGHIJKLMNOPQRSTUVWXYZ
By relevanceA – Z

240 results starting with “O”

Orpheus

A legendary Greek musician and prophet whose Orphic Hymns and mythic descent into the underworld were central to the development of Renaissance natural magic and prisca theologia.

105 books · 2626 mentions

Eight Books on AstronomyPymander. Asclepius. On the Mysteries of the Egyptians. On Plato's Alcibiades, on the Soul and the Daemon. On Sacrifice.+1 more

Oxford

A preeminent center of English learning and university life, significant for its role in the development of natural philosophy and the preservation of medieval manuscripts.

83 books · 1303 mentions

Theatrum Chemicum Britannicum
PreviousPage 1 of 4Next
De Revolutionibus (1543 First Edition)
+1 more

Ovid

A Roman poet whose Metamorphoses provided a rich source of mythological allegories that were frequently interpreted alchemically and philosophically during the Renaissance.

60 books · 1192 mentions

Essay on the Sacred Fire and on the VestalsComplete Works of Plato, translated by Marsilio Ficino (1518)+1 more

Origen

An early Christian scholar from Alexandria known for his allegorical interpretation of scripture and his controversial theories on the pre-existence and eventual restoration of all souls.

57 books · 2351 mentions

An Attempt at a History of ArianismFour Volumes of Divine and Human Marvels+1 more

Original Sin

The Christian doctrine of humanity's inherent state of sinfulness resulting from the fall of Adam and Eve, a central theme in early modern theological discourse.

33 books · 651 mentions

Two Books of the Introduction to the Controversies with the JewsFour Little Treatises+1 more

Osiris

The ancient Egyptian god of the afterlife and resurrection, frequently featured in Hermetic lore as a symbol of the alchemical process of renewal.

25 books · 546 mentions

On the Ancient Hermetic Medicine of the Egyptians and the New Medicine of the ParacelsiansOedipus Aegyptiacus Volume I (1652)+1 more

Occult Philosophy

A system of thought, most famously synthesized by Heinrich Cornelius Agrippa, that seeks to understand the hidden laws of nature through magic, astrology, and alchemy.

17 books · 280 mentions

Polygraphie (1561 French)Three Books of Occult Philosophy+1 more

Olympiodorus

A 6th-century Neoplatonist philosopher and head of the Academy in Alexandria, known for his influential commentaries on Plato and Aristotle.

16 books · 344 mentions

On the Ancient Hermetic Medicine of the Egyptians and the New Medicine of the ParacelsiansComplete Works of Plato, translated by Marsilio Ficino (1518)+1 more

Olympia

A major panhellenic religious sanctuary of ancient Greece, where the Olympic Games were held and home to the colossal chryselephantine Statue of Zeus.

15 books · 233 mentions

Ten Books on ArchitectureLives and Opinions of Eminent Philosophers+1 more

Oedipus

A mythical king of Thebes whose tragic narrative was used by early modern thinkers to explore themes of fate, hidden knowledge, and the interpretation of enigmas.

14 books · 209 mentions

Eight Books on AstronomyComplete Works of Plato, translated by Marsilio Ficino (1518)+1 more

Omnipotence

The theological and philosophical attribute of absolute power, central to debates concerning divine nature, the creation of the cosmos, and the limits of logic in Western thought.

11 books · 207 mentions

Vera Christiana ReligioThe True Intellectual System of the Universe+1 more

Orthography

The set of conventions for writing a language, including spelling and capitalization; in early modern scholarship, it was a key component of philology and universal language schemes.

11 books · 179 mentions

Pansophiae Prodromus (1638)The Great Art of Light and Shadow+1 more

Opposition

An astronomical and astrological aspect occurring when two celestial bodies are 180 degrees apart, signifying a period of maximum tension or clarity in observational data.

11 books · 165 mentions

Epitome of Ptolemy's Almagest (1496)De Revolutionibus (1543 First Edition)+1 more

Orestes

A figure from Greek mythology, the son of Agamemnon and Clytemnestra, frequently cited in Renaissance literature and drama as a symbol of vengeance and divine justice.

11 books · 143 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Divine Comedy with Landino Commentary (1487 Incunabulum)+1 more

Orient

A term historically used to refer to the East, particularly the Levant and Asia, often imbued with mystical significance in Western esotericism. It was frequently associated with the source of ancient wisdom and the rising sun.

10 books · 145 mentions

Magia Naturalis Libri XX (1607)Musurgia Universalis (Universal Music)+1 more

Oil of Tartar

9 books · 224 mentions

Magia Naturalis Libri XX (1607)Lehigh Codex (15th c. Naples Alchemical MS)+1 more

Oblique Ascension

9 books · 219 mentions

On the Revolutions of the Celestial SpheresOn the Revolutions of the Heavenly Spheres (1543 First Edition)+1 more

Ouroboros

An ancient symbol depicting a serpent or dragon eating its own tail, representing the cyclical nature of the universe and the unity of all things. In alchemy, it signifies the 'All is One' and the eternal return of the transformative process.

9 books · 211 mentions

The Marrow of the Soul, that is, of the Perfection of all VirtuesManly Palmer Hall Collection of Alchemical Manuscripts+1 more

Octavian Augustus

The first Roman Emperor, whose reign initiated the Pax Romana and who was frequently cited in Renaissance texts as a model of stable and enlightened rule.

9 books · 134 mentions

On the Revolutions of the Heavenly Spheres (1543 First Edition)Oedipus Aegyptiacus Volume I (1652)+1 more

Oblique Sphere

8 books · 164 mentions

On the Revolutions of the Celestial SpheresEpitome of Ptolemy's Almagest (1496)+1 more

Obliquity of the Ecliptic

8 books · 162 mentions

On the Revolutions of the Celestial SpheresOn the Revolutions of the Heavenly Spheres (1543 First Edition)+1 more

Optic nerve

8 books · 152 mentions

A Christian and Heavenly Treatise: Containing Medicine for the SoulVesalius: De Humani Corporis Fabrica (1555)+1 more

Octavian (Augustus)

The first Roman Emperor, whose reign initiated the Pax Romana and a golden age of Latin literature, frequently idealized in early modern political and architectural theory.

8 books · 134 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Alberti: De re aedificatoria (1512 Paris)+1 more

Occultism

8 books · 101 mentions

The Occult SciencesThe Secret Doctrine Vol. II+1 more

Octahedron

8 books · 93 mentions

Practical GeometryComplete Works of Plato, translated by Marsilio Ficino (1518)+1 more

Oil of Vitriol

7 books · 181 mentions

Miracula chymico-medica (with Sendivogius Novum Lumen)Reg.lat.1278+1 more

Oholiab

A biblical craftsman appointed by God to assist Bezalel in the construction of the Tabernacle and its furnishings. In esoteric traditions, he is often cited as a divinely inspired artisan possessing secret knowledge of sacred geometry and materials.

7 books · 125 mentions

Pious PhilosophyThe Discovery of Witchcraft+1 more

Orthodoxy

The adherence to accepted or traditional creeds and doctrines, particularly within the context of the post-Reformation struggle to define correct Christian belief against heresy.

7 books · 99 mentions

Historical-Theological Considerations of Remarkable TruthsOrigen Philocalia (Greek)+1 more

Oxymel

A traditional medicinal preparation made of honey and vinegar, used since antiquity in Galenic medicine to balance the humors and treat respiratory or digestive ailments.

7 books · 88 mentions

Medical Letters, Volume OneCardano: De Subtilitate (1550)+1 more

Oswald Croll

6 books · 187 mentions

Basilica Chymica (BSB/Hartmann edition)Philosophy Reformed: Four Profound Tractates+1 more

Obliquity of the zodiac

The angle between the celestial equator and the ecliptic, a fundamental parameter in early modern astronomy for calculating planetary positions.

6 books · 155 mentions

On the Revolutions of the Celestial SpheresOn the Revolutions of the Heavenly Spheres (1543 First Edition)+1 more

Octave

6 books · 117 mentions

Stanze, Orfeo, and PoemsHarmonie Universelle (Tome I)+1 more

Optics

The branch of natural philosophy concerned with the behavior of light and vision, historically bridging the gap between mathematical geometry and metaphysical theories of perception.

6 books · 114 mentions

Ten Books on ArchitectureMagia Naturalis Libri XX (1607)+1 more

Ophir

6 books · 113 mentions

1st and 2nd Message to the Philadelphian SocietySyntagma Musicum II: De Organographia+1 more

Onomancy

6 books · 93 mentions

Three Books of Occult PhilosophyHistory of Both Worlds: Macrocosm+1 more

Omnipresence

The theological and philosophical attribute of being present everywhere at all times, typically ascribed to God. This concept was a major point of discussion in Neoplatonic and Hermetic philosophy regarding the relationship between the divine and the material world.

6 books · 89 mentions

The Complete Works of Marsilio FicinoEnneads (1580 Basel editio princeps)+1 more

Orpiment

6 books · 85 mentions

Paramirum WorksLehigh Codex (15th c. Naples Alchemical MS)+1 more

Odysseus

6 books · 85 mentions

Lives and Opinions of Eminent PhilosophersPlato: Complete Works (Ficino Translation)+1 more

Octavian

6 books · 81 mentions

Plato: Complete Works (Ficino Translation)Petrarch: Sonnets with Commentary (1519)+1 more

Order

6 books · 79 mentions

Pymander. Asclepius. On the Mysteries of the Egyptians. On Plato's Alcibiades, on the Soul and the Daemon. On Sacrifice.Mysteries of Egypt (Neoplatonic collection)+1 more

Omniscience

6 books · 58 mentions

Opera Omnia (Complete Works)Plato: Complete Works (Ficino Translation)+1 more

Ophthalmia

6 books · 56 mentions

Plato: Complete Works (Ficino Translation)Paracelsus: Complete Works (Latin)+1 more

Olaus Magnus

6 books · 55 mentions

Magia Naturalis Libri XX (1607)The Great Art of Light and Shadow+1 more

Oligarchy

5 books · 136 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Opera Omnia (Complete Works)+1 more

Oppenheim

5 books · 115 mentions

Atalanta Fugiens (c.1625 English MS)History of Both Worlds: Macrocosm+1 more

Obedience

5 books · 109 mentions

Institutions de CassienThe way of perfection+1 more

Orleans

5 books · 107 mentions

Biographies of Famous Men from the Times of the Revival of the SciencesWeyer: De Praestigiis Daemonum (1568)+1 more

Olympias

5 books · 95 mentions

Oedipus Aegyptiacus Volume I (1652)Petrarch: Sonnets with Commentary (1519)+1 more

Occult Virtues

5 books · 87 mentions

Three Books on LifeThree Books of Occult Philosophy+1 more

Occultation

5 books · 67 mentions

On the Revolutions of the Heavenly Spheres (1543 First Edition)De Revolutionibus (1543 First Edition)+1 more

Olympiad

5 books · 58 mentions

Lives and Opinions of Eminent PhilosophersOn the Revolutions of the Heavenly Spheres (1543 First Edition)+1 more

Occult properties

5 books · 56 mentions

Ioannis Pici Mirandulae Omnia OperaDe Triplici vita+1 more

Olympic games

5 books · 39 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Opera Omnia (Complete Works)+1 more

Obliquation

4 books · 125 mentions

On the Revolutions of the Celestial SpheresOn the Revolutions of the Heavenly Spheres (1543 First Edition)+1 more

Ontological Argument

4 books · 108 mentions

Oeuvres de Descartes Vol. VI (La Géométrie)Oeuvres de Descartes Vol. VII (Meditationes)+1 more

Oribasius

4 books · 107 mentions

On the Ancient Hermetic Medicine of the Egyptians and the New Medicine of the ParacelsiansVesalius: De Humani Corporis Fabrica (1555)+1 more

Orchard

4 books · 91 mentions

Llull: Ars Magna Generalis (1517)Janua Linguarum Reserata (1641)+1 more

Oppian

4 books · 81 mentions

Magia Naturalis Libri XX (1607)Musurgia Universalis (Universal Music)+1 more

Oral tradition

4 books · 78 mentions

Polygraphie (1561 French)A General Collection of the Ancient Irish Music+1 more

Oral Tradition

4 books · 78 mentions

Polygraphie (1561 French)A General Collection of the Ancient Irish Music+1 more