luco-, luc-, luci-, lux, -lucence, -lucent +

Where light has arisen there liberty should be sustained.

Motto of Davidson College, Davidson, North Carolina, USA and Community College of Beaver County, Monaca, Pennsylvania, USA.

In the year of light, computed by adding 4 000 years to A.D. [anno Domini].

Used by Freemasonary.

1. Being before light; a word applied to assemblies of Christians, in ancient times of persecution.
2. Held before light in the morning.

To work by candle-light before day light.

Luminescence of a material; such as, a radioactive substance, resulting from energy originating within the material itself.

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Just one example of the ocean's bioluminescence in action.

1. Emission of light accompanying a chemical reaction, as in the oxidation of phosphorus.
2. In physical chemistry, any process in which a chemical reaction produces visible light without a corresponding increase in temperature; for example, bioluminescence; such as the light generated by fireflies, is a form of chemiluminescence.

Bright on every side.

The Lord is my light.

Motto of Oxford University, Oxford, UK. This motto is also translated as, "The Lord, my illumination."

The emission of light by something such as a gas or phosphor resulting from a high-frequency electric discharge.

That which gives out light.

To make clear; especially, something hard to understand; to explain.

The act of explaining or clarifying; throwing light upon; making plain or intelligible.