Definition

A unit of measurement for solar radiation, equal to one gram calorie per square centimeter of irradiated surface.

Example

The langley is often used in meteorology to quantify solar energy received by a surface.

Conversation

I just learned about this unit called langley in my science class.

Oh really? What does it measure?

It's used to measure solar radiation, interesting right?

Definitely! I had no idea there were specific units for that.

Synonyms & Antonyms

Root Explanation

The word 'Langley' originates from Old English, derived from 'lang' (meaning long) and 'leah' (meaning clearing or meadow). It refers to a long clearing or meadow, often used as a place name.

Memory Tip

Think of 'long' ('lang') and a 'clearing' or 'meadow' ('leah') to remember that 'Langley' refers to a long meadow or clearing.

Visually Confused Words