Today's Word

Hermetic

her-MET-ik

Definition

(adjective) Completely airtight and sealed; or, completely closed off from outside influence or interference.

Example

The research team worked in hermetic isolation for three months, communicating with no one outside the facility.

Word Origin

From the name Hermes Trismegistus — “Hermes the Thrice-Great” — a legendary Greco-Egyptian figure credited with inventing a miraculous airtight seal used in alchemy. “Hermetic sealing” was named after him, referring to a glass-fusion technique that made containers completely airtight. The word entered English in the 17th century, first in alchemical contexts before broadening into its modern senses.

Fun Fact

The “Hermetic tradition” is a body of philosophical and spiritual writing attributed to Hermes Trismegistus, blending Greek philosophy, Egyptian religion, and early mysticism. It was wildly influential during the Renaissance — figures like Marsilio Ficino and Giordano Bruno believed it represented a secret ancient wisdom older than Christianity. Modern Freemasonry, Rosicrucianism, and many esoteric traditions trace spiritual lineage to Hermetic philosophy. The word “hermetically sealed” still carries a faint echo of that sense of sacred, impenetrable mystery.

Previous Words

Elucidate

Today's Word

Elucidate

ih-LOO-sih-dayt

Definition

(verb) To make something clearer or easier to understand by explaining it in detail and with precision.

Example

The professor didn’t simplify the theory — she elucidated it, walking the room through each layer until the complexity itself became comprehensible.

Word Origin

Elucidate derives from the Medieval Latin elucidare, meaning “to make light” or “to illuminate” — built from e- (“out”) and lucidus (“bright” or “clear”), itself from lux meaning “light.” The same root gives us lucid, translucent, illuminate, and elucidate — a family of words all built around light as the mechanism of understanding. It entered English in the 16th century, carrying its Latin sense of bringing something out of darkness and into clarity without reducing or distorting it in the process.

Fun Fact

Richard Feynman — Nobel Prize-winning physicist and one of history’s great elucidators — developed what became known as the Feynman Technique: if you cannot explain something in simple terms, you don’t understand it yet. He applied this ruthlessly to his own thinking, refusing to hide behind jargon and insisting that genuine understanding always produces clarity rather than complexity. His lectures on physics are still considered models of elucidation decades after his death — not because he simplified quantum mechanics but because he illuminated it from enough angles that the shape of the thing became visible. He reportedly said that if he couldn’t explain something to a first-year student, he didn’t really know it himself.

READ MORE...

Hermetic

Definition

Example

Word Origin

Previous Words

Elucidate

Elucidate

Definition

Example

Word Origin

Elucidate

Allay

Convivial

Mendacious

Torpid