Today's Word

Permeate

PUR-mee-ayt

Definition

(verb) To spread throughout or penetrate every part of something.

Example

The scent of freshly baked bread permeated the entire house, making everyone’s mouth water.

Fun Fact

Permeation is a fundamental concept in science, from how water seeps through soil to how ideas spread through culture. The term is often used metaphorically—love can permeate a story, tension can permeate a room, and innovation can permeate an industry. Interestingly, in physics and chemistry, permeability describes how easily substances (like gases or liquids) move through materials, which is why certain fabrics “breathe” better than others!

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.

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Permeate

Definition

Example

Previous Words

Elucidate

Elucidate

Definition

Example

Word Origin

Elucidate

Allay

Convivial

Mendacious

Torpid